Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 5.868\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1occc1C(=O)N1CCc2ccccc21
b. Cc1ccn2c(NC(=O)c3ccco3)c(-c3ccccc3)nc2c1
Answer: a. Cc1occc1C(=O)N1CCc2ccccc21
{#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#}
Cc1occc1C(=O)N1CCc2ccccc21
Cc1occc1C(=O)N1CCc2ccccc21
2,3-dihydroindol-1-yl-(2-methylfuran-3-yl)methanone