Task: Please answer the multiple choice question.
Question: Which molecules are active against the human immunodeficiency virus?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] C[n+]1c(COc2ccc(C=NNC(=O)CCC(=O)NN=Cc3ccc(OCc4cn5ccccc5[n+]4C)cc3)cc2)cn2ccccc21.Cc1ccc(S(=O)(=O)O)cc1
[b] CC(=O)OCC1OC(SC2=NC(=Cc3ccc(Br)s3)C(=O)N2c2ccccc2)C(OC(C)=O)C(OC(C)=O)C1OC(C)=O
[c] Cc1ccc(Nc2ncnc3sc(SCc4ccccc4)nc23)cc1
[d] CCc1c(N=[N+]=[N-])c2ccccc2oc1=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}