Task: Answer the multiple-choice question.
Question: Which drug has a 6.147\% 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 additional words.
Options:
a: CCOC(=O)CSc1n[nH]c(=S)s1
b: COc1ccccc1-c1nnc(SC(C)C(=O)O)n1-c1ccccc1
c: Cc1ccc(-n2nc3c(=O)n(CC(=O)NCc4ccccc4Cl)nc(C)c3c2C)cc1
d: COc1ccccc1N1CCN(C(=O)c2cc(=O)c3ccc(C)cc3o2)CC1
Answer: a. CCOC(=O)CSc1n[nH]c(=S)s1
{#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)CSc1n[nH]c(=S)s1
CCOC(=O)CSc1n[nH]c(=S)s1
ethyl2-[(2-sulfanylidene-3H-1,3,4-thiadiazol-5-yl)sulfanyl]acetate