Using COC(=O)/C=C1/c2ccccc2N(C(=O)c2ccc(NC(=O)c3ccccc3-c3ccccc3)cc2)CCC1(F)F to produce O=C(O)/C=C1/c2ccccc2N(C(=O)c2ccc(NC(=O)c3ccccc3-c3ccccc3)cc2)CCC1(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.