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] O=C(C=Cc1cccs1)c1ccc(Cl)cc1
[b] CC(C)OC=C1CCc2ccccc2C1=O
[c] CCOC(C[Se]CC(OCC)OCC)OCC
[d] CC1(C)C=C(C=NNc2ccc([N+](=O)[O-])cc2)C(C#N)=C(O)C1(C#N)C#N
Answer: c
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}