Problem statement: Answer the multiple-choice question.
Question: Which drug has a 20.375% 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) COc1ccc2oc(-c3ccccc3[N+](=O)[O-])cc(=O)c2c1
(b) Cc1c(N=C/C=C2\N(C)c3ccccc3C2(C)C)c(=O)n(-c2ccccc2)n1C
Answer: a. COc1ccc2oc(-c3ccccc3[N+](=O)[O-])cc(=O)c2c1
{#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#}
COc1ccc2oc(-c3ccccc3[N+](=O)[O-])cc(=O)c2c1
COc1ccc2oc(-c3ccccc3[N+](=O)[O-])cc(=O)c2c1
6-methoxy-2-(2-nitrophenyl)chromen-4-one