The chemical with the SMILES Cc1cccc(/C=C2\CCC(C3CCCC3)C2=O)c1 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}.
(5E)-2-cyclopentyl-5-[(3-methylphenyl)methylidene]cyclopentan-1-one