Using Fc1ccc(-c2[nH]c(=S)[nH]c2-c2ccc(F)cc2)cc1 to produce Fc1ccc(-c2nc[nH]c2-c2ccc(F)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.