Task: Answer the MCQ question.
Question: Which drug exhibits a 16.820\% 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 additional words.
Options:
[a] O=C1NC(c2ccco2)Nc2ccccc21
[b] O=C(CSc1nnnn1C1CCCC1)Nc1ccc2c(c1)OCCO2
Answer: b. O=C(CSc1nnnn1C1CCCC1)Nc1ccc2c(c1)OCCO2
{#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(CSc1nnnn1C1CCCC1)Nc1ccc2c(c1)OCCO2
O=C(CSc1nnnn1C1CCCC1)Nc1ccc2c(c1)OCCO2
2-(1-cyclopentyltetrazol-5-yl)sulfanyl-N-(2,3-dihydro-1,4-benzodioxin-6-yl)acetamide