Using CS(=O)(=O)Cl, CCOC(=O)C1(CCO)CCN(C(=O)OC(C)(C)C)CC1 to produce CCOC(=O)C1(CCOS(C)(=O)=O)CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.