Task: Answer the multiple-choice question.
Question: Which drug has a 16.250\% 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] CCOC(=O)N1CCC(N2CCN(Cc3ccccc3)C(CCO)C2)CC1
[b] O=C(Cc1ccc(-n2cccc2)cc1)N1CCN(c2ccccc2F)CC1
Answer: a. CCOC(=O)N1CCC(N2CCN(Cc3ccccc3)C(CCO)C2)CC1
{#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#}
CCOC(=O)N1CCC(N2CCN(Cc3ccccc3)C(CCO)C2)CC1
CCOC(=O)N1CCC(N2CCN(Cc3ccccc3)C(CCO)C2)CC1
ethyl 4-[4-benzyl-3-(2-hydroxyethyl)piperazin-1-yl]piperidine-1-carboxylate