Task: Answer the multiple choice question.
Question: Which compound has a 13.678\% 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 CCOC(=O)CNC(=O)c1cccs1
b COc1ccc(CC(=O)NCCS(=O)(=O)N2CCN(c3ccccc3)CC2)cc1OC
Answer: a. CCOC(=O)CNC(=O)c1cccs1
{#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#}
CCOC(=O)CNC(=O)c1cccs1
CCOC(=O)CNC(=O)c1cccs1
N-(2-ethoxy-2-oxoethyl)thiophene-2-carboxamide