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) S=c1[nH]nc(CCCCCCCCc2n[nH]c(=S)o2)o1
(b) ClCc1nn(-c2ccccc2)c(CCl)c1CCl
(c) O=C(Nc1ccc2c(O)c(N=Nc3ccc4c(O)cc(S(=O)(=O)O)cc4c3)c(S(=O)(=O)O)cc2c1)c1ccccc1
(d) COc1ccc2[nH]cc(CCNC(C)=O)c2c1
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}