Using C=CCBr, COC(=O)C1CCN(C(=O)OC(C)(C)C)CC1 to produce C=CCC1(C(=O)OC)CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.