Task: Answer the MCQ question.
Query: Which drug exhibits a 20.559\% 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) COc1ccc(CCOC(=O)c2ccc(N)c([N+](=O)[O-])c2)cc1
(b) CCOC(=O)CSc1ncnc2c1cnn2-c1ccc(Cl)cc1
(c) O=C(Nc1ccsc1C(=O)NC1CC1)c1ccccc1
(d) C/C(=N\NC(=O)c1ccccc1Cl)c1c(O)n(C2CCCCC2)c(=O)[nH]c1=O
Answer: a. COc1ccc(CCOC(=O)c2ccc(N)c([N+](=O)[O-])c2)cc1
{#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#}
COc1ccc(CCOC(=O)c2ccc(N)c([N+](=O)[O-])c2)cc1
COc1ccc(CCOC(=O)c2ccc(N)c([N+](=O)[O-])c2)cc1
2-(4-methoxyphenyl)ethyl 4-amino-3-nitrobenzoate