Task: Please estimate if the compound with the SMILES CCCS(=O)(=O)N1CCN(c2cc3c(cc2[N+](=O)[O-])n(C)c(=O)n3C)CC1 is an inhibitor of factor XIa (FXIa).
Result: no
Task: Please {#determine|predict|estimate!} if the {#molecule|compound!} with the {SMILES__description} {SMILES#} is {MUV-846__names__noun}.
Result: {MUV-846#no&yes}
1,3-dimethyl-5-nitro-6-(4-propylsulfonylpiperazin-1-yl)benzimidazol-2-one