Using OCCc1cn2ccc(F)cc2n1, O=c1[nH]ncc2scc(Br)c12 to produce O=c1c2c(Br)csc2cnn1CCc1cn2ccc(F)cc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.