Using CC(C)(C)OC(=O)c1cc(Cl)nc(Cl)n1, COC(=O)[C@H](C)N to produce COC(=O)[C@H](C)Nc1cc(C(=O)OC(C)(C)C)nc(Cl)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.