Using CC(O)C(C)(C)C(=O)N(C1CCC(C)(C)CC1)[C@H]1CCN(C(=O)OC(C)(C)C)C1 to produce CC(=O)C(C)(C)C(=O)N(C1CCC(C)(C)CC1)[C@H]1CCN(C(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.