Task: Answer the MCQ question.
Question: Which drug exhibits a 21.364% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CN1CN=C(N[N+](=O)[O-])N(Cc2ccco2)C1
b. COc1cc(C(C(=O)NC2CCCCC2)N(Cc2ccco2)C(=O)c2cnccn2)cc(OC)c1OC
Answer: b. COc1cc(C(C(=O)NC2CCCCC2)N(Cc2ccco2)C(=O)c2cnccn2)cc(OC)c1OC
{#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#}
COc1cc(C(C(=O)NC2CCCCC2)N(Cc2ccco2)C(=O)c2cnccn2)cc(OC)c1OC
COc1cc(C(C(=O)NC2CCCCC2)N(Cc2ccco2)C(=O)c2cnccn2)cc(OC)c1OC
N-[2-(cyclohexylamino)-2-oxo-1-(3,4,5-trimethoxyphenyl)ethyl]-N-(furan-2-ylmethyl)pyrazine-2-carboxamide