Task: Answer the multiple choice question.
Query: Which drug has a 12.509\% 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] COc1ccccc1NC(=O)CSc1ccc(-c2ccc(-n3cccn3)cc2)nn1
[b] COCCn1c(N)c(Sc2ccc([N+](=O)[O-])cc2)c(=O)[nH]c1=O
Answer: a. COc1ccccc1NC(=O)CSc1ccc(-c2ccc(-n3cccn3)cc2)nn1
{#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#}
COc1ccccc1NC(=O)CSc1ccc(-c2ccc(-n3cccn3)cc2)nn1
COc1ccccc1NC(=O)CSc1ccc(-c2ccc(-n3cccn3)cc2)nn1
N-(2-methoxyphenyl)-2-[6-(4-pyrazol-1-ylphenyl)pyridazin-3-yl]sulfanylacetamide