Using CON(CC(=O)O)C(=C1C(=O)Nc2ccc(C(C)=O)cc21)c1ccccc1 to produce CC(=O)c1ccc2c(c1)C(=C(NCC(=O)O)c1ccccc1)C(=O)N2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.