Using CCOC(=O)C(C)(C)Cn1c(CC)nc2cnc3ccccc3c21, O=C=NC(=O)C(Cl)(Cl)Cl to produce CCc1nc2c(N)nc3ccccc3c2n1CC(C)(C)C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.