Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 21.718\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCSc1nnc(-c2ccccc2NC(=O)CC)c(=O)[nH]1
b: CCN(CC)C(=O)CSc1nc(O)cc(=O)n1-c1ccccc1OC
c: CN(CC(=O)Nc1ccc(Cl)cc1)CC(=O)Nc1cccc(Br)c1
Answer: a. CCSc1nnc(-c2ccccc2NC(=O)CC)c(=O)[nH]1
{#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#}
CCSc1nnc(-c2ccccc2NC(=O)CC)c(=O)[nH]1
CCSc1nnc(-c2ccccc2NC(=O)CC)c(=O)[nH]1
N-[2-(3-ethylsulfanyl-5-oxo-4H-1,2,4-triazin-6-yl)phenyl]propanamide