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 CCOC(=O)C(Cc1nc2ccccc2n(C)c1=O)=NO
b O=C(NNS(=O)(=O)c1ccccc1)c1csc(NC(=S)NC2CCCCC2)n1
c N#CC(C(=O)C(=NN)C(C#N)c1ccccc1)c1ccccc1
d COc1cc2c(c(OC)c1OC)-c1ccc(OC)c(=O)cc1C(N)CC2.O=C(O)C(O)C(O)C(=O)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}