Using COc1ccc2c(c1C=O)CCNC2, Cc1nc(Cl)sc1C(=O)N1CCOCC1 to produce COc1ccc2c(c1C=O)CCN(c1nc(C)c(C(=O)N3CCOCC3)s1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.