Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 8.422\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CCOC(=O)C(Sc1n[nH]c(N)n1)c1ccccc1
b COC(=O)c1ccc(OCC(=O)c2ccc(O)cc2O)cc1
c CC1=Nc2cc(C(=O)NCC3CCCO3)ccc2Sc2ccc(Br)cc21
d COc1ccc(/C=C/c2n[nH]c(=O)c(C#N)c2C)cc1
Answer: a. CCOC(=O)C(Sc1n[nH]c(N)n1)c1ccccc1
{#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#}
CCOC(=O)C(Sc1n[nH]c(N)n1)c1ccccc1
CCOC(=O)C(Sc1n[nH]c(N)n1)c1ccccc1
ethyl 2-[(5-amino-1H-1,2,4-triazol-3-yl)sulfanyl]-2-phenylacetate