Task: Please answer the multiple choice question.
Question: Which molecules are active against the human immunodeficiency virus?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. O=[N+]([O-])c1ccccc1C1SCc2nc3ccccc3n21
b. Nc1nc(O)c2nc(CO)ccc2n1
c. CC(C)[Si](OC1=C(C(=O)N(C)c2ccccc2Cl)CCCC1)(C(C)C)C(C)C
Answer: a
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-(2-nitrophenyl)-1,3-dihydro-[1,3]thiazolo[3,4-a]benzimidazole