The molecule with the SMILES representation of O=C1OC(c2ccccc2)=C/C1=C/c1cccs1 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}.
(3Z)-5-phenyl-3-(thiophen-2-ylmethylidene)furan-2-one