Task: Please estimate if the molecule with the SMILES CCNC(=S)NNC(=O)c1cccc(Br)c1 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-bromobenzoyl)amino]-3-ethylthiourea