Using C=C1CC(=O)O1, CC(C)(CO)CN1CCN(C(=O)OC(C)(C)C)CC1 to produce CC(=O)CC(=O)OCC(C)(C)CN1CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.