Using CSc1cc2ncnc(N3CCN(C(=O)C(Cc4ccc(Cl)cc4)NC(=O)OC(C)(C)C)CC3)c2s1 to produce CSc1cc2ncnc(N3CCN(C(=O)C(N)Cc4ccc(Cl)cc4)CC3)c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.