Using O=C(c1ccccc1)c1cc(Cl)c2c(c1Cl)CC(C(=O)O)O2, NO to produce O=C(O)C1C=C2C(=C(Cl)C=C(C(=NO)c3ccccc3)C2Cl)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.