Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 12.241\% 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) CCOC(=O)CSc1nc2cc3c(cc2cc1C#N)OCCO3
(b) COc1ccccc1N(CC(=O)NC1CCCCC1)C(=O)CNC(=O)c1cccs1
Answer: a. CCOC(=O)CSc1nc2cc3c(cc2cc1C#N)OCCO3
{#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#}
CCOC(=O)CSc1nc2cc3c(cc2cc1C#N)OCCO3
CCOC(=O)CSc1nc2cc3c(cc2cc1C#N)OCCO3
ethyl 2-[(8-cyano-2,3-dihydro-[1,4]dioxino[2,3-g]quinolin-7-yl)sulfanyl]acetate