Task: Answer the MCQ question.
Query: Which drug exhibits a -0.109\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) CN(C)/C=N/c1cc(=O)n(C)c(=O)n1Cc1ccccc1
(b) CCCCN(C(=O)Nc1ccccc1)C1CCS(=O)(=O)C1
(c) COc1cc(NS(=O)(=O)c2ccc(NC(=S)NC(=O)c3ccc(Br)cc3)cc2)ncn1
(d) Nc1c(C(=O)OCC(=O)Nc2ccc(Cl)cc2[N+](=O)[O-])[nH]c(=O)[nH]c1=O
(e) Cc1csc(SC(C)C(=O)NC2CCCCC2C)n1
Answer: b. CCCCN(C(=O)Nc1ccccc1)C1CCS(=O)(=O)C1
{#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#}
CCCCN(C(=O)Nc1ccccc1)C1CCS(=O)(=O)C1
CCCCN(C(=O)Nc1ccccc1)C1CCS(=O)(=O)C1
1-butyl-1-(1,1-dioxothiolan-3-yl)-3-phenylurea