Using Cc1cc(-c2ccncc2NC(=O)OCc2ccccc2)nc(N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)n1 to produce Cc1cc(-c2ccncc2N)nc(N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.