Task: Please predict if the compound with the SMILES CCn1c(-c2ccccc2)c(C(=O)CCl)c2ccccc21 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}
CCn1c(-c2ccccc2)c(C(=O)CCl)c2ccccc21
CCn1c(-c2ccccc2)c(C(=O)CCl)c2ccccc21
2-chloro-1-(1-ethyl-2-phenylindol-3-yl)ethanone