Task: Answer the multiple-choice question.
Question: Which drug has a 4.028\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] NC(=S)N/N=C/c1ccc(C23CC4CC(CC(C4)C2)C3)cc1
[b] COC(=O)/C(=C/Nc1ccccc1)[N+](=O)[O-]
Answer: b. COC(=O)/C(=C/Nc1ccccc1)[N+](=O)[O-]
{#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#}
COC(=O)/C(=C/Nc1ccccc1)[N+](=O)[O-]
COC(=O)/C(=C/Nc1ccccc1)[N+](=O)[O-]
methyl (Z)-3-anilino-2-nitroprop-2-enoate