Using O=Cc1nc(C(Cl)Cl)cnc1N1C(=O)c2ccccc2C1=O, NO to produce O=C1c2ccccc2C(=O)N1C1N=CC(C(Cl)Cl)=NC1=NO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.