Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 10.329\% 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. COc1ccc(N2C(=O)CCC(C(=O)NCCCN3CCC(C)CC3)C2c2ccc(OC)c(OC)c2)cc1
b. O=C(NCc1ccccn1)C1COc2ccccc2O1
Answer: b. O=C(NCc1ccccn1)C1COc2ccccc2O1
{#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(NCc1ccccn1)C1COc2ccccc2O1
O=C(NCc1ccccn1)C1COc2ccccc2O1
N-(pyridin-2-ylmethyl)-2,3-dihydro-1,4-benzodioxine-3-carboxamide