Using CC1(OS(C)(=O)=O)CN(C(c2ccccc2)c2ccccc2)C1, [C-]#N to produce CC1(C#N)CN(C(c2ccccc2)c2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.