Using CC1(C)CCC(N(C(=O)C(C)(C)CO)[C@H]2CCN(C(=O)OC(C)(C)C)C2)CC1 to produce CC1(C)CCC(N(CC(C)(C)CO)C2CCN(C(=O)OC(C)(C)C)C2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.