You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: This molecule is a member of the organic light-emitting device class and influences low driving voltage.
user
NCCc1ccc(-n2c3ccccc3c3c4oc5c(c4ccc32)C=CCC5)c(-c2ccc3oc4c(c3c2)CCC=C4)c1
assistant