Using O=BO[O-], O=Cc1cc(-c2ccc(Cl)cc2)ccc1[N+](=O)[O-] to produce O=C(O)c1cc(-c2ccc(Cl)cc2)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.