Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 3.789\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CCCCCCCCNC(=O)c1cnccn1
b O=c1c2ccccc2nc(-c2ccoc2)n1-c1ccccc1Cl
c O=C(CNC(=O)c1cccc(Cl)c1)NCCCSc1ccccc1
Answer: a. CCCCCCCCNC(=O)c1cnccn1
{#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#}
CCCCCCCCNC(=O)c1cnccn1
CCCCCCCCNC(=O)c1cnccn1
N-octylpyrazine-2-carboxamide