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: O=c1[nH]c2ccc(CC(=S)N3CCN(c4ccccc4)CC3)cc2s1
b: CCCSSC1NC(=O)C1NC(=O)COc1ccccc1
c: Cc1ccc(S(=O)(=O)N2CC3(CN(S(=O)(=O)c4ccc(C)cc4)CC4(C2)OCCO4)OCCO3)cc1
d: CC1Oc2cc(O)cc(O)c2C(=O)C1C
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}
6-[2-(4-phenylpiperazin-1-yl)-2-sulfanylideneethyl]-3H-1,3-benzothiazol-2-one