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 additional words.
Options:
a O=C1Nc2ccccc2Sc2ccccc21
b Nn1c(CCCCCCCCc2nnc(COc3ccc4ccccc4c3O)n2N)nnc1COc1ccc2ccccc2c1O
c O=C(O)c1ccsc1Cc1cccs1
d CC(=O)Oc1c(C(C)C)cc2c(c1OC(C)=O)CC1(C)OC(=O)CC(C)(C)C1(OC(C)=O)C=C2
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}