Task: Answer the multiple choice question.
Query: Which compound has a 17.367\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C(CN1CCOCC1)NCc1ccccc1
b: CCN1CCc2c(C#N)c(NCc3ccccc3)nc(N(CC)CC)c2C1
Answer: a. O=C(CN1CCOCC1)NCc1ccccc1
{#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#}
O=C(CN1CCOCC1)NCc1ccccc1
O=C(CN1CCOCC1)NCc1ccccc1
N-benzyl-2-morpholin-4-ylacetamide