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, c, or d without using any other words.
Options:
a.) O=C1c2ccccc2C(=O)c2nc(-c3ccccc3)c(-c3ccccc3)nc21
b.) CCC1(c2ccccc2)Sc2ccccc2-n2cccc2C1=O
c.) COc1ccc(-c2c3c(n(C4OC(COC(C)=O)C(OC(C)=O)C(OC(C)=O)C4OC(C)=O)c(=S)c2C#N)CC(C)(C)CC3=O)cc1
d.) Cc1cccc(C)c1N1C(=O)C2c3[nH]c4ccccc4c3C3CCC(C(C)(C)C)CC3C2C1=O
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}