The chemical with the SMILES representation of O=C(Cc1ccccc1)NNC(=O)c1cnccn1 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}.
N'-(2-phenylacetyl)pyrazine-2-carbohydrazide