Using CC(C)(C)OC(=O)Nc1ccc(-c2nnc3c(C(=O)OC(C)(C)C)cc(Cl)nn23)cc1 to produce CC(C)(C)OC(=O)Nc1ccc(-c2nnc3c(C(=O)OC(C)(C)C)ccnn23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.