Task: Answer the MCQ question.
Query: Which drug exhibits a 13.459\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] Cc1cc([N+](=O)[O-])ccc1N(C)C
[b] O=C(O)CSc1ccc2ccccc2n1
[c] CCN(CC)C(=O)c1oc2ccc(S(=O)(=O)N3CC(C)CC(C)C3)cc2c1C
Answer: a. Cc1cc([N+](=O)[O-])ccc1N(C)C
{#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#}
Cc1cc([N+](=O)[O-])ccc1N(C)C
Cc1cc([N+](=O)[O-])ccc1N(C)C
N,N,2-trimethyl-4-nitroaniline