The SMILES O=c1[nH]c(=S)[nH]n1C(=S)n1[nH]c(=S)[nH]c1=O is not active against HIV.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
[O][=C][NH1][C][=Branch1][C][=S][NH1][N][Ring1][=Branch1][C][=Branch1][C][=S][N][NH1][C][=Branch1][C][=S][NH1][C][Ring1][=Branch1][=O]