Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES CCn1c2ccccc2c2cc(NC(=O)C(C)Oc3ccccc3)ccc21?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a. 16.721
b. 6.212
c. -0.068
Answer: c. -0.068\%.
{#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}.
CCn1c2ccccc2c2cc(NC(=O)C(C)Oc3ccccc3)ccc21
CCn1c2ccccc2c2cc(NC(=O)C(C)Oc3ccccc3)ccc21
N-(9-ethylcarbazol-3-yl)-2-phenoxypropanamide