Using CC(=O)c1ccccc1, NNc1ccc(S(=O)(=O)O)cc1 to produce C/C(=N\Nc1ccc(S(=O)(=O)O)cc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.