Task: Answer the MCQ question.
Query: Which drug exhibits a -62.200\% 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] O=C(c1cncc(Br)c1)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
[b] CC(OC(=O)CNC(=O)c1ccco1)C(=O)N(C)c1ccccc1
Answer: a. O=C(c1cncc(Br)c1)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
{#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(c1cncc(Br)c1)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
O=C(c1cncc(Br)c1)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
[4-[4-(5-bromopyridine-3-carbonyl)piperazin-1-yl]phenyl]-oxido-oxoazanium