Using BrBr, O=C(CCC(=O)N1CCC[C@H]1C(=O)O)c1ccccc1 to produce O=C(c1ccccc1)C(Br)CC(=O)N1CCC[C@H]1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.