The molecule with the SMILES O=C1O/C(=C\c2ccccc2)c2ccccc21 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}.
O=C1O/C(=C\c2ccccc2)c2ccccc21
O=C1O/C(=C\c2ccccc2)c2ccccc21
(3Z)-3-benzylidene-2-benzofuran-1-one