Task: Please estimate if the compound with the SMILES O=S(=O)(c1ccc2ccccc2c1)n1cnc2ccccc21 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}
O=S(=O)(c1ccc2ccccc2c1)n1cnc2ccccc21
O=S(=O)(c1ccc2ccccc2c1)n1cnc2ccccc21
1-naphthalen-2-ylsulfonylbenzimidazole