Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 16.192\% 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 additional words.
Options:
a) O=C(CN1CCSc2ccccc21)NCCCc1ccccc1
b) CCCC(C)C(=O)NCc1ccncc1
Answer: b. CCCC(C)C(=O)NCc1ccncc1
{#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#}
CCCC(C)C(=O)NCc1ccncc1
CCCC(C)C(=O)NCc1ccncc1
2-methyl-N-(pyridin-4-ylmethyl)pentanamide