Task: Please answer the multiple choice question.
Question: Which molecules are active against HIV?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCCCCCC(=O)COP(=O)(OCC(=O)CCCCCC)OCC1OC(n2cc(C)c(=O)[nH]c2=O)CC1N=[N+]=[N-]
b: O=C1CC2CC(=O)CC2(C2CC=CC2)C1
c: CCN=C(NC(=O)c1ccccc1F)SCSC(=NC(=O)c1ccccc1F)NCC
d: Cc1cn(C2CC(N=[N+]=[N-])C(CO[Si](C)(C)C(C)(C)C)O2)c(=O)[nH]c1=O
Answer: a, d
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}