Using S=C=Nc1ccccc1, Nc1nc(=O)n(S(=O)(=O)c2ccccc2)cc1F to produce O=c1nc(NC(=S)Nc2ccccc2)c(F)cn1S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.