Task: Answer the multiple choice question.
Question: Which drug exhibits a 10.611\% 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)C(=O)NNc1ccc(C)cc1
[b] CCOc1ccc2c(c1)OC1(CCC(C)C1)CC2=O
Answer: b. CCOc1ccc2c(c1)OC1(CCC(C)C1)CC2=O
{#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#}
CCOc1ccc2c(c1)OC1(CCC(C)C1)CC2=O
CCOc1ccc2c(c1)OC1(CCC(C)C1)CC2=O
7-ethoxy-3'-methylspiro[3H-chromene-2,1'-cyclopentane]-4-one