Task: Please predict if the compound with the SMILES O=C(Cc1cccc2ccccc12)N1CCN(c2ncccn2)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}
O=C(Cc1cccc2ccccc12)N1CCN(c2ncccn2)CC1
O=C(Cc1cccc2ccccc12)N1CCN(c2ncccn2)CC1
2-naphthalen-1-yl-1-(4-pyrimidin-2-ylpiperazin-1-yl)ethanone