Problem statement: Answer the multiple choice question.
Query: Which compound has a 1.626\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a COc1cscc1C(=O)O
b Nc1c(N(Cc2ccccc2)C(=O)CCc2ccccc2)c(=O)[nH]c(=O)n1Cc1ccccc1
c Cc1ccc(N2CCN(/N=C/C=C/c3ccccc3)CC2)cc1
Answer: a. COc1cscc1C(=O)O
{#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#}
COc1cscc1C(=O)O
COc1cscc1C(=O)O
4-methoxythiophene-3-carboxylic acid