Task: Please predict if the compound with the SMILES C=CCNC(=S)NNC(=O)COc1ccc(Br)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-[[2-(4-bromophenoxy)acetyl]amino]-3-prop-2-enylthiourea