Using CCc1[nH]c(C(=O)O)nc1Cl, CCOC(=O)c1ccc2nc(N3CC(N)C3)sc2c1 to produce CCOC(=O)c1ccc2nc(N3CC(NC(=O)c4nc(Cl)c(CC)[nH]4)C3)sc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.