Task: Answer the multiple choice question.
Query: Which compound exhibits a 14.298\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Cc1cc(Nc2ccc(Cl)cc2)n2nnnc2n1
b O=C(Nc1ccc2c(c1)OCCO2)c1cncc(Br)c1
Answer: a. Cc1cc(Nc2ccc(Cl)cc2)n2nnnc2n1
{#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#}
Cc1cc(Nc2ccc(Cl)cc2)n2nnnc2n1
Cc1cc(Nc2ccc(Cl)cc2)n2nnnc2n1
N-(4-chlorophenyl)-5-methyltetrazolo[1,5-a]pyrimidin-7-amine