Using [N-]=[N+]=NCc1cc(Oc2cnccn2)cc2c1C(CC(=O)O)OB2O to produce NCc1cc(Oc2cnccn2)cc2c1C(CC(=O)O)OB2O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.