Using COc1ccc(CCNC(=O)C(=CO)c2ccc3c(c2)CCCC3)cc1OC, FCBr to produce COc1ccc(CCNC(=O)C(=COCF)c2ccc3c(c2)CCCC3)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.