The molecule with the SMILES O=c1[nH]n(-c2ccccc2)c(=O)c(Cl)c1Cl 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=c1[nH]n(-c2ccccc2)c(=O)c(Cl)c1Cl
O=c1[nH]n(-c2ccccc2)c(=O)c(Cl)c1Cl
4,5-dichloro-2-phenyl-1H-pyridazine-3,6-dione