Ruthenium
https://openalex.org/C555196967
https://www.wikidata.org/wiki/Q1086
Chemistry
https://openalex.org/C185592680
https://www.wikidata.org/wiki/Q2329
Hexamethylbenzene
https://openalex.org/C2776513212
https://www.wikidata.org/wiki/Q413592
Medicinal chemistry
https://openalex.org/C155647269
https://www.wikidata.org/wiki/Q243455
Steric effects
https://openalex.org/C201194858
https://www.wikidata.org/wiki/Q898238
Pyridine
https://openalex.org/C2779485729
https://www.wikidata.org/wiki/Q210385
Cationic polymerization
https://openalex.org/C183882617
https://www.wikidata.org/wiki/Q3046749
Acetonitrile
https://openalex.org/C2777463227
https://www.wikidata.org/wiki/Q408047
Mesitylene
https://openalex.org/C2777352791
https://www.wikidata.org/wiki/Q425161
Dehydrogenation
https://openalex.org/C119889771
https://www.wikidata.org/wiki/Q898262
Diene
https://openalex.org/C2778733088
https://www.wikidata.org/wiki/Q192678
Monomer
https://openalex.org/C166940927
https://www.wikidata.org/wiki/Q178827
Benzene
https://openalex.org/C2777691172
https://www.wikidata.org/wiki/Q2270
Photochemistry
https://openalex.org/C75473681
https://www.wikidata.org/wiki/Q188651
Polymer chemistry
https://openalex.org/C188027245
https://www.wikidata.org/wiki/Q750446
Providing background information: reference to the literature
A number of recent studies …
[INST] Please produce a sentence from the paper. The sentence should not mention the title of the paper, rather it be extracted from the Discussing Findings section of the paper.
Please provide one singular full sentence from the paper that serves the function provided, using the example as guidance. Be specific, using relevant terminology from the paper.
Refrain from vague or generic statements. Finally produce a search query in the form of a question targeted towards the knowledge contained therein. 
You must output json with the structure of {'Sentence': sentence, 'Query': query}.
Field: "Medicinal chemistry".
Paper: "Arene ruthenium(II) complexes formed by dehydrogenation of cyclohexadienes with ruthenium(III) trichloride"
Function: "Providing background information: reference to the literature".
Example Sentence: "A number of recent studies …". [/INST]