Task: Answer the multiple-choice question.
Question: Which compound exhibits a 2.944\% 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] O=C(CN1C(=O)CC(c2ccco2)Sc2ccccc21)Nc1ccc2c(c1)OCCO2
[b] Cn1c(=O)oc2ccc(C(=O)CSc3nnnn3-c3ccccc3)cc21
Answer: a. O=C(CN1C(=O)CC(c2ccco2)Sc2ccccc21)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(CN1C(=O)CC(c2ccco2)Sc2ccccc21)Nc1ccc2c(c1)OCCO2
O=C(CN1C(=O)CC(c2ccco2)Sc2ccccc21)Nc1ccc2c(c1)OCCO2
N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-[2-(furan-2-yl)-4-oxo-2,3-dihydro-1,5-benzothiazepin-5-yl]acetamide