Using O=Cc1ccccc1, CCOC(=O)c1c(-c2ccc(F)cc2)noc1C to produce O=C(O)c1c(-c2ccc(F)cc2)noc1/C=C/c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.