Task: Answer the multiple choice question.
Query: Which compound exhibits a 9.351\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) O=C(CN1C(=O)C2CCCCN2C(=O)c2ccccc21)N1CCCc2ccccc21
b) CCC1Oc2ccccc2N(CC(=O)NC2CCCC2)C1=O
Answer: b. CCC1Oc2ccccc2N(CC(=O)NC2CCCC2)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#}
CCC1Oc2ccccc2N(CC(=O)NC2CCCC2)C1=O
CCC1Oc2ccccc2N(CC(=O)NC2CCCC2)C1=O
N-cyclopentyl-2-(2-ethyl-3-oxo-1,4-benzoxazin-4-yl)acetamide