Task: Answer the multiple choice question.
Question: Which compound exhibits a 1.023\% 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] COC(=O)C1=C(c2cccc(C#N)c2)C[C@@H]2CC[C@H]1N2C(=O)NC1Cc2ccccc2C1
[b] O=C1CCN(Cc2cccnc2)CCN1[C@H](CO)Cc1ccccc1
Answer: b. O=C1CCN(Cc2cccnc2)CCN1[C@H](CO)Cc1ccccc1
{#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=C1CCN(Cc2cccnc2)CCN1[C@H](CO)Cc1ccccc1
O=C1CCN(Cc2cccnc2)CCN1[C@H](CO)Cc1ccccc1
4-[(2S)-1-hydroxy-3-phenylpropan-2-yl]-1-(pyridin-3-ylmethyl)-1,4-diazepan-5-one