Task: Answer the MCQ question.
Query: Which compound exhibits a 13.996\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCn1c(=O)c2cc(C(=O)NCCN3CCOCC3)sc2c2ccccc21
b. COc1ccc(NC(=O)C2CCCC2)cc1
Answer: a. CCn1c(=O)c2cc(C(=O)NCCN3CCOCC3)sc2c2ccccc21
{#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#}
CCn1c(=O)c2cc(C(=O)NCCN3CCOCC3)sc2c2ccccc21
CCn1c(=O)c2cc(C(=O)NCCN3CCOCC3)sc2c2ccccc21
5-ethyl-N-(2-morpholin-4-ylethyl)-4-oxothieno[3,2-c]quinoline-2-carboxamide