Task: Please determine if the compound with the SMILES CC(=O)N1N=C(c2ccncc2)OC12CCCCC2 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-(2-pyridin-4-yl-1-oxa-3,4-diazaspiro[4.5]dec-2-en-4-yl)ethanone