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 additional words.
Options:
a: CCCn1c(=O)c2ccccc2[n+]2c(-c3ccc([N+](=O)[O-])cc3)csc12.[Br-]
b: COc1cccc(C2c3cc4c(cc3OC(Nc3ccccc3)C2C)OCO4)c1OC
c: CCc1c(Cc2ccccc2)n(COCC[Se]c2ccccc2)c(=O)[nH]c1=O
d: CCOC(=O)C(C(=O)OCC)C(C(=O)OCC)(C(=O)OCC)C(C(=O)OCC)C(=O)OCC
Answer: 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}
6-benzyl-5-ethyl-1-(2-phenylselanylethoxymethyl)pyrimidine-2,4-dione