Using [BH3-]C#N, CNc1cc(Br)cc(Sc2ccc([N+](=O)[O-])cc2)c1 to produce CN(C)c1cc(Br)cc(Sc2ccc([N+](=O)[O-])cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.