Task: Answer the multiple-choice question.
Query: Which compound exhibits a 6.401\% 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: CCc1ccc(C2CC(c3cccc(Cl)c3)n3nc(N)nc3N2)cc1
b: CC1Oc2ccccc2N(CC(=O)NC2CC2)C1=O
Answer: b. CC1Oc2ccccc2N(CC(=O)NC2CC2)C1=O
{#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#}
CC1Oc2ccccc2N(CC(=O)NC2CC2)C1=O
CC1Oc2ccccc2N(CC(=O)NC2CC2)C1=O
N-cyclopropyl-2-(2-methyl-3-oxo-1,4-benzoxazin-4-yl)acetamide