Task: Answer the MCQ question.
Query: Which drug exhibits a 19.150\% 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) CC(C)C1N=C2c3ccccc3N=C(SCC#N)N2C1=O
(b) O=C(CSc1ccc2c(c1)OCCO2)Nc1ccc(Br)cc1
Answer: a. CC(C)C1N=C2c3ccccc3N=C(SCC#N)N2C1=O
{#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#}
CC(C)C1N=C2c3ccccc3N=C(SCC#N)N2C1=O
CC(C)C1N=C2c3ccccc3N=C(SCC#N)N2C1=O
2-[(3-oxo-2-propan-2-yl-2H-imidazo[1,2-c]quinazolin-5-yl)sulfanyl]acetonitrile