Using CC(C)OC(=O)C1(C(=O)OC(C)C)C(n2cnc3c(Cl)nc(N)nc32)C1(Cl)Cl, Nc1nc(Cl)c2[nH]cnc2n1 to produce CC(C)OC(=O)C(=CC(Cl)(Cl)Cl)C(=O)OC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.