Task: Please predict if the molecule with the SMILES O=C1C=C(c2ccc(Cl)cc2)C(=O)N1Nc1ccccc1 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=C1C=C(c2ccc(Cl)cc2)C(=O)N1Nc1ccccc1
O=C1C=C(c2ccc(Cl)cc2)C(=O)N1Nc1ccccc1
1-anilino-3-(4-chlorophenyl)pyrrole-2,5-dione