You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the chemiluminescent class of molecules. Please represent the molecule in SMILES.
user
Fc1ccc2c(-c3c(F)c(F)cc(F)c3F)c3ccccc3c(-c3cc(F)c(F)c(F)c3)c2c1
assistant