Task: Answer the multiple-choice question.
Query: Which compound exhibits a 0.502\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. O=C(CCCC(=O)OCC(=O)NC1CCCC1)Nc1ccccn1
b. CCN(CC)c1ccc(/C=N/N=C(N)N)c(O)c1
c. CCOC(=O)N/N=C(\C)c1ccc(Br)cc1
Answer: a. O=C(CCCC(=O)OCC(=O)NC1CCCC1)Nc1ccccn1
{#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#}
[2-(cyclopentylamino)-2-oxoethyl] 5-oxo-5-(pyridin-2-ylamino)pentanoate