Using COC(=O)C=Cc1ccc2c(S(=O)(=O)c3ccccc3)c[nH]c2c1 to produce O=C(O)C=Cc1ccc2c(S(=O)(=O)c3ccccc3)c[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.