Task: Answer the MCQ question.
Question: Which drug has a 2.654% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CCOC(=O)c1nn(-c2ccc([N+](=O)[O-])cc2)cc1O
b Cc1cccc(NC(=O)CCN2C(=O)c3cccc([N+](=O)[O-])c3C2=O)c1
c CNS(=O)(=O)c1ccc(C(=O)NCC(=O)NC(C)c2cccs2)cc1
d CCC(CCC(=O)Nc1cccc([N+](=O)[O-])c1)C(=O)O
Answer: a. CCOC(=O)c1nn(-c2ccc([N+](=O)[O-])cc2)cc1O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOC(=O)c1nn(-c2ccc([N+](=O)[O-])cc2)cc1O
CCOC(=O)c1nn(-c2ccc([N+](=O)[O-])cc2)cc1O
ethyl 4-hydroxy-1-(4-nitrophenyl)pyrazole-3-carboxylate