Using COc1ccc(S(=O)(=O)n2cc(C=CC(=O)O)c3cc(OC)ccc32)cc1 to produce COc1ccc(S(=O)(=O)n2cc(CCC(=O)O)c3cc(OC)ccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.