Using CCO, COc1ccc(C2(CC3CO3)S(=O)(=O)CCCS2(=O)=O)cc1OC to produce COc1ccc(C2(CCO)S(=O)(=O)CCC(C)S2(=O)=O)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.