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 other words.
Options:
a COc1ccc2cc3[n+](cc2c1OC)CCc1cc2c(cc1-3)OCO2.[Cl-]
b O=c1c(=Cc2ccccc2Cl)sc2n1CCN=2
c Br.CC(CN(C)C)C(=NNc1ccccc1)c1ccccc1
d CC(C)OP(=O)(OC(C)C)C(=NNc1ccc([N+](=O)[O-])cc1)Nc1ccccc1
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}