Using COC(=O)c1ccccc1NC(=O)/C=C1\CNC(=O)c2cc(OC)c(OC)cc21 to produce COc1cc2c(cc1OC)/C(=C/C(=O)Nc1ccccc1C(=O)O)CNC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.