Task: Please estimate if the compound with the SMILES O=C(COC(=O)CCc1nc2ccccc2s1)Nc1nc(-c2ccccc2)cs1 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(COC(=O)CCc1nc2ccccc2s1)Nc1nc(-c2ccccc2)cs1
O=C(COC(=O)CCc1nc2ccccc2s1)Nc1nc(-c2ccccc2)cs1
[2-oxo-2-[(4-phenyl-1,3-thiazol-2-yl)amino]ethyl] 3-(1,3-benzothiazol-2-yl)propanoate