Using BrCc1cccc(Br)c1, O=c1[nH]nc(-c2ccc(Cl)cc2)n1CC(O)C(F)(F)F to produce O=c1n(Cc2cccc(Br)c2)nc(-c2ccc(Cl)cc2)n1CC(O)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.