Problem statement: Answer the multiple choice question.
Question: Which compound has a 2.875\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=C(NCCN1CCN(S(=O)(=O)c2ccc([N+](=O)[O-])cc2)CC1)C(=O)Nc1ccccc1
[b] Cc1noc(C)c1C(=O)N1CCN(S(=O)(=O)c2cccs2)CC1
[c] Cc1cccc2cc(CN(Cc3cccs3)S(=O)(=O)c3ccc4c(c3)OCCO4)c(=O)[nH]c12
Answer: a. O=C(NCCN1CCN(S(=O)(=O)c2ccc([N+](=O)[O-])cc2)CC1)C(=O)Nc1ccccc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(NCCN1CCN(S(=O)(=O)c2ccc([N+](=O)[O-])cc2)CC1)C(=O)Nc1ccccc1
O=C(NCCN1CCN(S(=O)(=O)c2ccc([N+](=O)[O-])cc2)CC1)C(=O)Nc1ccccc1
N-[2-[4-(4-nitrophenyl)sulfonylpiperazin-1-yl]ethyl]-N'-phenyloxamide