Task: Please answer the multiple choice question.
Question: Which molecules are active against HIV?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. COS(=O)CCOC(=O)c1ccccc1SSc1ccccc1C(=O)OCCS(=O)OC
b. COc1cccc(C2C(C(=O)O)=C(CO)Oc3cc4c(cc32)OCO4)c1OC
c. CC(=O)Nc1ccc(S(=O)(=O)Nc2ccc([N+](=O)[O-])cc2)cc1
d. CCCc1nc2c(nc1C)C(=O)C=CC2=O
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}