Using COc1ccc(C=O)c(OC)c1, Nc1ccc(Cl)cc1C(O)c1ccccc1Cl to produce COc1ccc(CNc2ccc(Cl)cc2C(O)c2ccccc2Cl)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.