Using CCOC(=O)C1(S(=O)(=O)c2ccc(OC)cc2)CCN(OCCc2ccccc2)CC1, C1CCOC1 to produce COc1ccc(S(=O)(=O)C2(C(=O)O)CCN(CCOc3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.