Using O=C(Cl)OCC(Cl)(Cl)Cl, Cc1ccc(-n2nc(C(C)(C)C)cc2N)cc1 to produce Cc1ccc(-n2nc(C(C)(C)C)cc2NC(=O)OCC(Cl)(Cl)Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.