Task: Answer the multiple choice question.
Question: Which compound has a 15.695\% 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, b, or c without using any other words.
Options:
a. CCN(CC)C(=O)OCCc1cc2ccccc2c(=O)o1
b. COc1ccccc1CCC(=O)OC(C)C(=O)Nc1c(C)n(C)n(-c2ccccc2)c1=O
c. OCn1c2ccccc2c2ccccc21
Answer: c. OCn1c2ccccc2c2ccccc21
{#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#}
OCn1c2ccccc2c2ccccc21
OCn1c2ccccc2c2ccccc21
carbazol-9-ylmethanol