Task: Answer the MCQ 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 O=C1OC(/C(=C\NCc2ccccc2)[N+](=O)[O-])c2ccccc21?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] 6.645
[b] 6.900
[c] 5.442
[d] 0.270
[e] 5.041
Answer: a. 6.645\%.
{#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}.
O=C1OC(/C(=C\NCc2ccccc2)[N+](=O)[O-])c2ccccc21
O=C1OC(/C(=C\NCc2ccccc2)[N+](=O)[O-])c2ccccc21
3-[(E)-2-(benzylamino)-1-nitroethenyl]-3H-2-benzofuran-1-one