Using O=S=Nc1ccccc1, Nc1c(N)c(-c2cccs2)c(F)c(F)c1-c1cccs1 to produce Fc1c(F)c(-c2cccs2)c2nsnc2c1-c1cccs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.