Using C1CCOC1, CCOC(=O)C1(S(=O)(=O)c2ccc(OC)cc2)CCN(Cc2cccc(OC)c2)CC1 to produce CCCCOc1ccc(S(=O)(=O)C2(C(=O)O)CCN(Cc3cccc(OC)c3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.