Task: Answer the multiple-choice question.
Query: Which drug has a 6.138\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. c1ccc2nc(OCCN3CC3)ccc2c1
b. Cc1nc(SCC(=O)N2c3ccccc3Sc3ccccc32)n[nH]1
Answer: a. c1ccc2nc(OCCN3CC3)ccc2c1
{#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#}
c1ccc2nc(OCCN3CC3)ccc2c1
c1ccc2nc(OCCN3CC3)ccc2c1
2-[2-(aziridin-1-yl)ethoxy]quinoline