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: The molecule is fluorescent.
user
OCc1cc(COP(O)O)cc(-c2ccc3c4c5c(cccc5c5cccc2c35)=CCC4)c1
assistant