Using CCOC(=O)c1nc(Cc2c(-c3ccc(Cl)cc3)nc3ccc(F)cn23)no1, NO to produce O=C(NO)c1nc(Cc2c(-c3ccc(Cl)cc3)nc3ccc(F)cn23)no1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.