Task: Answer the MCQ question.
Query: Which drug has a 13.923\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a COc1cc([N+](=O)[O-])ccc1NC(=O)CN1CCOCC1
b CCc1sc(C(=O)N2CCN(c3ccc(F)cc3)CC2)cc1C
Answer: a. COc1cc([N+](=O)[O-])ccc1NC(=O)CN1CCOCC1
{#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#}
COc1cc([N+](=O)[O-])ccc1NC(=O)CN1CCOCC1
COc1cc([N+](=O)[O-])ccc1NC(=O)CN1CCOCC1
N-(2-methoxy-4-nitrophenyl)-2-morpholin-4-ylacetamide