Problem statement: Answer the MCQ question.
Question: Which drug has a 13.371\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COc1ccc([N+](=O)[O-])cc1NC(=O)C1CCCO1
b COc1cccc(OCC(=O)NC2CCCCC2)c1
Answer: a. COc1ccc([N+](=O)[O-])cc1NC(=O)C1CCCO1
{#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([N+](=O)[O-])cc1NC(=O)C1CCCO1
COc1ccc([N+](=O)[O-])cc1NC(=O)C1CCCO1
N-(2-methoxy-5-nitrophenyl)oxolane-2-carboxamide