Using Cc1ccc(S(=O)(=O)OC[C@@H]2COC(C)(C)N2C(=O)OC(C)(C)C)cc1, CN1CC(=O)Nc2ccccc2C1=O to produce CN1CC(=O)N(C[C@@H]2COC(C)(C)N2C(=O)OC(C)(C)C)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.