Task: Please predict if the molecule with the SMILES O=c1c2ccccc2nc2n1C(CBr)CS2 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=c1c2ccccc2nc2n1C(CBr)CS2
O=c1c2ccccc2nc2n1C(CBr)CS2
3-(bromomethyl)-2,3-dihydro-[1,3]thiazolo[2,3-b]quinazolin-5-one