Task: Please answer the multiple choice question.
Question: Which molecules are not active against HIV?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(NNC(=S)Nc1ccccc1)c1ccccc1Nc1ccccc1C(=O)NNC(=S)Nc1ccccc1
(b) CCOC(=O)NC(NC1=NCCS1)(C(=O)OCC)C(F)(F)F
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}
ethyl 2-(4,5-dihydro-1,3-thiazol-2-ylamino)-2-(ethoxycarbonylamino)-3,3,3-trifluoropropanoate