Using O=C1CC(=O)CC(c2ccc(F)cc2Br)C1, CC(=O)[O-] to produce CC(=O)OC1=CC(=O)CC(c2ccc(F)cc2Br)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.