Problem statement: Answer the MCQ question.
Query: Which drug has a 15.422\% 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 additional words.
Options:
a) CCn1c2ccccc2c2cc(N)ccc21
b) COc1ccccc1OCC(=O)N1CCN(C(=O)c2ccco2)CC1
Answer: a. CCn1c2ccccc2c2cc(N)ccc21
{#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#}
CCn1c2ccccc2c2cc(N)ccc21
CCn1c2ccccc2c2cc(N)ccc21
9-ethylcarbazol-3-amine