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 electroluminescent.
user
CCOC(=O)C1=C(c2ccc(F)cc2)C(c2ccc(F)cc2)=C(C(=O)OCC)C1=O
assistant