Using CCC(Oc1ccc(-c2ccc(S(C)(=O)=O)cc2)nc1)C1CCN(C(=O)OC(C)C)CC1 to produce CC[C@H](Oc1ccc(-c2ccc(S(C)(=O)=O)cc2)nc1)C1CCN(C(=O)OC(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.