Using CI, CC1=C(N2CCC3(CCN(C(=O)OC(C)(C)C)CC3O)C2=O)COC1=O to produce COC1CN(C(=O)OC(C)(C)C)CCC12CCN(C1=C(C)C(=O)OC1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.