Using CC1(C)OB(c2ccc([N+](=O)[O-])c(N)c2)OC1(C)C, O=C(n1ccnc1)n1ccnc1 to produce CC1(C)OB(c2ccc3[nH]c(=O)[nH]c3c2)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.