Task: Please answer the multiple choice question.
Question: Which molecules are active against the human immunodeficiency virus?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] Nc1nc(S)nc(N)c1N=O
[b] N#Cc1c(C#N)c(-c2ccccc2)n(Cc2ccccc2)c1N
[c] CN(C)c1ccc(C=CC=C2C=Cc3ccccc32)cc1
[d] C=C(C)CC1=C(OCC)C(OC)(OCC)C1=O
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {activity_HIV#not &NULL}{activity_HIV__names__adjective}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%activity_HIV%}
Answer: {%multiple_choice_result}
4,6-bis(azanyl)-5-nitroso-pyrimidine-2-thiol