Using COC(=O)c1ccc(N)nc1, CC(C)C[C@@H](C(=O)O)N1CC2=C(Oc3c(Cl)cccc3C2)C1=O to produce COC(=O)c1ccc(NC(=O)[C@H](CC(C)C)N2CC3=C(Oc4c(Cl)cccc4C3)C2=O)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.