Using NC(C(=O)Nc1ccc2[nH]ncc2c1)c1cccc(Cl)c1, CC(C)(C)OC(=O)NCC(=O)O to produce CC(C)(C)OC(=O)NCC(=O)NC(C(=O)Nc1ccc2[nH]ncc2c1)c1cccc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.