Task: Please determine if the compound with the SMILES O=C(O)c1ccc2c(c1)C(=O)/C(=C\c1ccco1)C2=O 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(O)c1ccc2c(c1)C(=O)/C(=C\c1ccco1)C2=O
O=C(O)c1ccc2c(c1)C(=O)/C(=C\c1ccco1)C2=O
(2Z)-2-(furan-2-ylmethylidene)-1,3-dioxoindene-5-carboxylic acid