Task: Answer the MCQ question.
Question: Which drug exhibits a -36.872% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=c1c2ccccc2oc2ccc(NCCCN3CCOCC3)cc12
[b] O=C(Cn1cc([N+](=O)[O-])cn1)Nc1ccc(Cn2cc(Br)cn2)cc1
Answer: b. O=C(Cn1cc([N+](=O)[O-])cn1)Nc1ccc(Cn2cc(Br)cn2)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(Cn1cc([N+](=O)[O-])cn1)Nc1ccc(Cn2cc(Br)cn2)cc1
O=C(Cn1cc([N+](=O)[O-])cn1)Nc1ccc(Cn2cc(Br)cn2)cc1
N-[4-[(4-bromopyrazol-1-yl)methyl]phenyl]-2-(4-nitropyrazol-1-yl)acetamide