Using O=C1NN=C(c2ccccc2)OC1c1ccccc1, OB(O)Oc1ccccc1 to produce O=C1C(c2ccccc2)OC(c2ccccc2)=NN1c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.