Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 16.411\% 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 additional words.
Options:
a. NC(=O)Nc1n[nH]c(-c2ccccc2)n1
b. CCOCCn1c(CN2CCN(c3ccc(OC)cc3)CC2)nc2c1c(=O)n(C)c(=O)n2C
Answer: a. NC(=O)Nc1n[nH]c(-c2ccccc2)n1
{#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#}
NC(=O)Nc1n[nH]c(-c2ccccc2)n1
NC(=O)Nc1n[nH]c(-c2ccccc2)n1
(5-phenyl-1H-1,2,4-triazol-3-yl)urea