Using O=[N+]([O-])c1n[nH]c([N+](=O)[O-])n1, [BH4-] to produce O=[N+]([O-])c1nc([N+](=O)[O-])n([B-](n2nc([N+](=O)[O-])nc2[N+](=O)[O-])(n2nc([N+](=O)[O-])nc2[N+](=O)[O-])n2nc([N+](=O)[O-])nc2[N+](=O)[O-])n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.