Using O=C1CCC(=O)N1Br, Cc1ccc(C(=O)c2c(F)cccc2F)cc1 to produce O=C(c1ccc(CBr)cc1)c1c(F)cccc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.