Problem statement: Answer the multiple choice question.
Query: Which drug has a 4.717\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCOC(=O)c1nn(-c2ccc([N+](=O)[O-])cc2)cc1O
b) COc1ccc(C(=O)NC(=S)Nc2ccc3oc(=O)ccc3c2)cc1[N+](=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_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)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