Task: Answer the MCQ question.
Question: Which compound has a 6.690\% 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) NC(=O)COc1c(-c2ccccc2)oc2ccccc2c1=O
b) O=C(CN1CCOc2ccccc21)NCc1ccco1
Answer: b. O=C(CN1CCOc2ccccc21)NCc1ccco1
{#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(CN1CCOc2ccccc21)NCc1ccco1
O=C(CN1CCOc2ccccc21)NCc1ccco1
2-(2,3-dihydro-1,4-benzoxazin-4-yl)-N-(furan-2-ylmethyl)acetamide