Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a compound with the SMILES CN1CCN(c2oc(COc3ccc(-c4ccccc4)cc3)nc2C#N)CC1?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a.) 10.455
b.) 4.721
c.) 3.721
Answer: c. 3.721\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
CN1CCN(c2oc(COc3ccc(-c4ccccc4)cc3)nc2C#N)CC1
CN1CCN(c2oc(COc3ccc(-c4ccccc4)cc3)nc2C#N)CC1
5-(4-methylpiperazin-1-yl)-2-[(4-phenylphenoxy)methyl]-1,3-oxazole-4-carbonitrile