Using C=CCC(C(=O)OCc1ccccc1)c1cc(OC)c(OC)cc1S(=O)(=O)N1CCOCC1 to produce C=CCC(C(=O)O)c1cc(OC)c(OC)cc1S(=O)(=O)N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.