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 additional words.
Options:
a Cc1cnc(SCCN(C)C)nc1-c1cccs1
b CCOC1CSc2ccccc2C(c2ccccc2)=N1
c Cc1nn(C(=O)c2ccncc2)c2c1C(c1cccc([N+](=O)[O-])c1)SC(=N)N2
d N#Cc1c(OCCF)c2ccccc2n2c1nc1ccccc12
Answer: 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}