Using COC(=O)c1cccc(CC(=O)O)c1, NCC1CN(Cc2ccc(Cl)c(Cl)c2)CCO1 to produce COC(=O)c1cccc(CC(=O)NCC2CN(Cc3ccc(Cl)c(Cl)c3)CCO2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.