Using BrCc1nc2ccc(Br)nc2s1, NC(=O)c1c(F)ccc(O)c1F to produce NC(=O)c1c(F)ccc(OCc2nc3ccc(Br)nc3s2)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.