Task: Answer the multiple choice question.
Query: Which compound has a 16.591% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccc(CC(=O)Oc2ccccc2[N+](=O)[O-])cc1
(b) CCC1CCCCN1CCCNC(=O)c1ccc(CS(=O)(=O)Cc2ccc(Cl)cc2)o1
Answer: a. COc1ccc(CC(=O)Oc2ccccc2[N+](=O)[O-])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#}
COc1ccc(CC(=O)Oc2ccccc2[N+](=O)[O-])cc1
COc1ccc(CC(=O)Oc2ccccc2[N+](=O)[O-])cc1
(2-nitrophenyl) 2-(4-methoxyphenyl)acetate