Using C=CCBr, CCOC(=O)CC1CCN(C(=O)OCc2ccccc2)CC1 to produce C=CCC(C(=O)OCC)C1CCN(C(=O)OCc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.