Task: Please answer the multiple choice question.
Question: Which molecules are not active against the human immunodeficiency virus?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCCCCCCCCCCCCCCOCC(COC(c1ccccc1)(c1ccccc1)c1ccccc1)O[PH](=S)OC
(b) CC(C)Oc1ccc(CNC2=NCCO2)c2ccccc12
Answer: a, b
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}
(1-hexadecoxy-3-trityloxypropan-2-yl)oxy-methoxy-sulfanylidene-λ5-phosphane