Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES CCN1C(=O)N[C@@H](c2ccccc2)[C@H](C(C)=O)[C@H]1C?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] 14.486
[b] 13.521
[c] 5.544
[d] 12.745
Answer: a. 14.486\%.
{#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}.
CCN1C(=O)N[C@@H](c2ccccc2)[C@H](C(C)=O)[C@H]1C
CCN1C(=O)N[C@@H](c2ccccc2)[C@H](C(C)=O)[C@H]1C
(4R,5S,6R)-5-acetyl-1-ethyl-6-methyl-4-phenyl-1,3-diazinan-2-one