Task: Answer the multiple-choice question.
Question: Which drug has a 6.267\% 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) CCn1c(-c2ccccc2)c(C(=O)CC#N)c2ccccc21
b) O=C(NCc1ccccc1)c1c(Cl)nc(Cl)c(Cl)c1Cl
Answer: a. CCn1c(-c2ccccc2)c(C(=O)CC#N)c2ccccc21
{#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#}
CCn1c(-c2ccccc2)c(C(=O)CC#N)c2ccccc21
CCn1c(-c2ccccc2)c(C(=O)CC#N)c2ccccc21
3-(1-ethyl-2-phenylindol-3-yl)-3-oxopropanenitrile