Using O=c1ccn2nc(Cl)ccc2c1-c1c(F)cccc1F, Fc1ccc(S)c(F)c1 to produce O=c1ccn2nc(Sc3ccc(F)cc3F)ccc2c1-c1c(F)cccc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.