Task: Answer the multiple choice question.
Question: Which compound exhibits a 9.729\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1ccc(/C=N/NC(=O)c2[nH]c3ccc(Br)cc3c2-c2ccccc2)cc1
(b) COc1ccc(OC)c(Nc2nc(-c3ccncc3)nc3ccccc23)c1
Answer: b. COc1ccc(OC)c(Nc2nc(-c3ccncc3)nc3ccccc23)c1
{#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#}
COc1ccc(OC)c(Nc2nc(-c3ccncc3)nc3ccccc23)c1
COc1ccc(OC)c(Nc2nc(-c3ccncc3)nc3ccccc23)c1
N-(2,5-dimethoxyphenyl)-2-pyridin-4-ylquinazolin-4-amine