Using O=c1[nH]nnn1-c1ccc(OCc2ccc(F)cc2)cc1F, FCCCBr to produce O=c1n(CCCF)nnn1-c1ccc(OCc2ccc(F)cc2)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.