Using COC(=O)c1cc(S(=O)(=O)N(C)C)c2ccccc2c1OC to produce COc1c(C(=O)O)cc(S(=O)(=O)N(C)C)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.