Using COc1ccc(-c2cn(S(=O)(=O)c3ccc(C)cc3)c3ncccc23)cc1C#N to produce COc1ccc(-c2c[nH]c3ncccc23)cc1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.