Using CC(C)(C)OC(=O)NC(Cc1ccc(Cl)cc1)C(=O)N1CCN(c2ncnc3cc[nH]c23)CC1 to produce NC(Cc1ccc(Cl)cc1)C(=O)N1CCN(c2ncnc3cc[nH]c23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.