The molecule with the SMILES S=c1nc[nH]c2c1[nH]c1ccccc12 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}.
S=c1nc[nH]c2c1[nH]c1ccccc12
S=c1nc[nH]c2c1[nH]c1ccccc12
1,5-dihydropyrimido[5,4-b]indole-4-thione