Using COc1ccc(-c2c(C)oc3cc(O)c(Cl)cc3c2=O)cc1, NO to produce COc1ccc(-c2c(C)noc2-c2cc(Cl)c(O)cc2O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.