Using CCOC(=O)c1cc2[nH]c(Nc3cc(CNC(=O)C(C)(C)C)ccc3Cl)nc2cc1Cl to produce CC(C)(C)C(=O)NCc1ccc(Cl)c(Nc2nc3cc(Cl)c(C(=O)O)cc3[nH]2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.