Using CC(C)=CCBr, O=C1CCN(C(=O)OCc2ccccc2)C1 to produce C=CC(C)(C)C1(O)CCN(C(=O)OCc2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.