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: CCC1=CCN(c2ccccn2)OC1c1ccc(OC)cc1
b: C[Sn]1(C)OCC(COc2cc(Cl)c(Cl)cc2Cl)O1
c: CCCCCSCCCCCCCC(=O)OCC1OC(n2cc(C)c(=O)[nH]c2=O)CC1N=[N+]=[N-]
d: CC1=Nn2c(nnc2-c2cccc(N)c2)NC(C)(C)C1
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}