Using C=CCCC1(O)CCN(C(=O)OC(C)(C)C)CC1, CC(=O)OC(C)=O to produce C=CCCC1(OC(C)=O)CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.