Task: Answer the multiple choice question.
Query: Which compound exhibits a 13.573\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCCCCCN=C(C)c1ccccc1O
(b) O=C(COc1ccc(Br)cc1)N1CCN(Cc2ccc3c(c2)OCO3)CC1
Answer: a. CCCCCCCN=C(C)c1ccccc1O
{#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#}
CCCCCCCN=C(C)c1ccccc1O
CCCCCCCN=C(C)c1ccccc1O
2-(N-heptyl-C-methylcarbonimidoyl)phenol