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. COC1C=CC=C(C)C(=O)NC2=CC(=O)C(NC3CC3)=C(CC(C)CC(OC)C(O)C(C)C=C(C)C1OC(N)=O)C2=O
b. COC(=O)c1cc(C(=CCCN=[N+]=[N-])c2cc(Br)c(OC)c(C(=O)OC)c2)cc(Br)c1OC
c. O=C1C2ON=C(c3ccc(Br)cc3)C2C(=O)N1c1ccc(Cc2ccc(N3C(=O)C4ON=C(c5ccc(Br)cc5)C4C3=O)cc2)cc1
d. Cn1cnc([N+](=O)[O-])c1SC1=NCCS1
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}