The molecule with the SMILES O=c1c2ccccc2sc2ccc(Cl)cc12 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=c1c2ccccc2sc2ccc(Cl)cc12
O=c1c2ccccc2sc2ccc(Cl)cc12
2-chlorothioxanthen-9-one