Task: Answer the MCQ question.
Query: Which compound exhibits a -29.778% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(Cn1ncc2c3ccccc3n(Cc3ccccc3)c2c1=O)NCCCN1CCCC1=O
(b) N#Cc1cc([N+](=O)[O-])ccc1NCCc1ccccn1
Answer: a. O=C(Cn1ncc2c3ccccc3n(Cc3ccccc3)c2c1=O)NCCCN1CCCC1=O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(Cn1ncc2c3ccccc3n(Cc3ccccc3)c2c1=O)NCCCN1CCCC1=O
O=C(Cn1ncc2c3ccccc3n(Cc3ccccc3)c2c1=O)NCCCN1CCCC1=O
2-(5-benzyl-4-oxopyridazino[4,5-b]indol-3-yl)-N-[3-(2-oxopyrrolidin-1-yl)propyl]acetamide