Task: Please predict if the compound with the SMILES O=C1N(CN2C(=O)C3(OCCO3)c3ccccc32)c2ccccc2C12OCCO2 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}
1'-[(2'-oxospiro[1,3-dioxolane-2,3'-indole]-1'-yl)methyl]spiro[1,3-dioxolane-2,3'-indole]-2'-one