Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 15.765\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) COc1ccccc1C(=O)Nc1sc2c(c1C(=O)NCc1ccco1)CCCC2
b) COc1cccc(NC(=O)N[C@@H](Cc2ccccc2)C(=O)O)c1
c) COc1cccc(Nc2ncnc3onc(-c4ccccc4OC)c23)c1
d) Nc1[nH]c2cc([N+](=O)[O-])ccc2c1-c1ccccn1
Answer: d. Nc1[nH]c2cc([N+](=O)[O-])ccc2c1-c1ccccn1
{#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#}
Nc1[nH]c2cc([N+](=O)[O-])ccc2c1-c1ccccn1
Nc1[nH]c2cc([N+](=O)[O-])ccc2c1-c1ccccn1
6-nitro-3-pyridin-2-yl-1H-indol-2-amine