Using COc1ccc(CN2CC(C)NC2=O)cc1, O=C(Cl)c1ccccc1 to produce COc1ccc(CN2CC(C)N(C(=O)c3ccccc3)C2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.