Task: Answer the MCQ question.
Query: What is the hERG inhibition at 1uM of a drug with the SMILES COC(=O)CC1C(=O)NCCN1C(=O)c1ccc([N+](=O)[O-])cc1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
a) 2.700
b) 6.825
c) 14.487
d) 17.772
e) 0.428
Answer: a. 2.700\%.
{#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}.
COC(=O)CC1C(=O)NCCN1C(=O)c1ccc([N+](=O)[O-])cc1
COC(=O)CC1C(=O)NCCN1C(=O)c1ccc([N+](=O)[O-])cc1
methyl 2-[1-(4-nitrobenzoyl)-3-oxopiperazin-2-yl]acetate