Task: Answer the multiple choice question.
Query: Which compound exhibits a 6.430\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) COc1cccc(CN2CCOc3ccccc3C2=O)c1
b) CCOC(=O)c1nn(-c2ccccc2)c(=O)cc1OCC(=O)Nc1ccc(C)cc1
c) CC(=O)c1ccc(NS(=O)(=O)c2c(C)cc(C)cc2C)cc1
Answer: a. COc1cccc(CN2CCOc3ccccc3C2=O)c1
{#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#}
COc1cccc(CN2CCOc3ccccc3C2=O)c1
COc1cccc(CN2CCOc3ccccc3C2=O)c1
4-[(3-methoxyphenyl)methyl]-2,3-dihydro-1,4-benzoxazepin-5-one