Task: Please predict if the molecule with the SMILES O=C1c2ccccc2C(=O)C12OC2c1ccc(Cl)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}
O=C1c2ccccc2C(=O)C12OC2c1ccc(Cl)cc1
O=C1c2ccccc2C(=O)C12OC2c1ccc(Cl)cc1
3'-(4-chlorophenyl)spiro[indene-2,2'-oxirane]-1,3-dione