Using COc1ccc(Cl)cc1C[C@H](CNC(=O)OC(C)(C)C)C(=O)O, O=C(n1ccnc1)n1ccnc1 to produce COc1ccc(Cl)cc1C[C@H](CNC(=O)OC(C)(C)C)C(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.