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, b, or c without using any other words.
Options:
[a] O=C(c1ccccc1)N1CN(C(=O)c2ccccc2)CN(C(=O)c2ccccc2)C1
[b] Cc1cccc(NC(=O)Nc2ccccc2)n1
[c] CCC1(Br)OC1=O
Answer: a, b, c
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-(6-methylpyridin-2-yl)-3-phenylurea