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) CCOC(=O)c1cn2ccccc2c(C(=O)c2cccnc2)c1=N
(b) CC1CN=C(Nc2cccc(C(F)(F)F)c2)S1
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}
5-methyl-N-[3-(trifluoromethyl)phenyl]-4,5-dihydro-1,3-thiazol-2-amine