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 or b without using any additional words.
Options:
a. CCc1c(Cc2ccccc2)n(COCC[Se]c2ccccc2)c(=O)[nH]c1=O
b. Cn1c(=O)nc2n(-c3cc(Cl)ccc3Cl)c3ccccc3nc-2c1=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}
6-benzyl-5-ethyl-1-(2-phenylselanylethoxymethyl)pyrimidine-2,4-dione