Problem statement: Answer the MCQ question.
Question: Which compound has a 9.949\% 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 or b without using any other words.
Options:
a) CC1=C(C(=O)Nc2ccccc2)C(c2cccnc2)n2nc(-c3cccnc3)nc2N1
b) O=C(Cn1ccc([N+](=O)[O-])n1)NCc1nc2ccccc2[nH]1
Answer: b. O=C(Cn1ccc([N+](=O)[O-])n1)NCc1nc2ccccc2[nH]1
{#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(Cn1ccc([N+](=O)[O-])n1)NCc1nc2ccccc2[nH]1
O=C(Cn1ccc([N+](=O)[O-])n1)NCc1nc2ccccc2[nH]1
N-(1H-benzimidazol-2-ylmethyl)-2-(3-nitropyrazol-1-yl)acetamide