The compound with the SMILES CCCCC(=O)c1c(O)oc2ccccc2c1=O is not an inhibitor of factor XIa (FXIa).
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} is {MUV-846#not &NULL}{MUV-846__names__noun}.
CCCCC(=O)c1c(O)oc2ccccc2c1=O
CCCCC(=O)c1c(O)oc2ccccc2c1=O
2-oxidanyl-3-pentanoyl-chromen-4-one