Task: Please answer the multiple choice question.
Question: Which molecules are not active against HIV?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CC1CN(CCO)CC(C)O1
b. O=c1c2cc(Br)ccc2[nH]c(=S)n1-c1ccc(Br)cc1
c. O=c1cc(-c2ccccc2)oc2c(O)c(O)cc(O)c12
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}