Using CN(Cc1ccncc1)C(=O)C(=O)NNC(=S)Nc1ccc(F)cc1 to produce CN(Cc1ccncc1)C(=O)c1nnc(S)n1-c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.