The chemical with the SMILES representation of O=c1c(=NNc2ccccc2Cl)c(=O)c2ccccc12 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=c1c(=NNc2ccccc2Cl)c(=O)c2ccccc12
O=c1c(=NNc2ccccc2Cl)c(=O)c2ccccc12
2-[(2-chlorophenyl)hydrazinylidene]indene-1,3-dione