Task: Answer the MCQ question.
Question: Which compound exhibits a 13.532\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCOC(=O)N1CCN(C(=O)CCN2C(=O)c3ccccc3S2(=O)=O)CC1
b: COCCCNC(=O)C(=O)NC1CCCCCC1
c: N#Cc1c2n(c(=S)n(-c3ccccc3[N+](=O)[O-])c1=O)CCCCC2
d: Clc1ccccc1Nc1nc(-c2cccnc2)cs1
Answer: b. COCCCNC(=O)C(=O)NC1CCCCCC1
{#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#}
COCCCNC(=O)C(=O)NC1CCCCCC1
COCCCNC(=O)C(=O)NC1CCCCCC1
N'-cycloheptyl-N-(3-methoxypropyl)oxamide