Problem statement: Answer the multiple choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES O=C(Oc1ccc2c3c(c(=O)oc2c1)CCC3)c1ccccc1[N+](=O)[O-]?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a. 3.772
b. 0.368
c. -21.467
Answer: a. 3.772\%.
{#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=C(Oc1ccc2c3c(c(=O)oc2c1)CCC3)c1ccccc1[N+](=O)[O-]
O=C(Oc1ccc2c3c(c(=O)oc2c1)CCC3)c1ccccc1[N+](=O)[O-]
(4-oxo-2,3-dihydro-1H-cyclopenta[c]chromen-7-yl) 2-nitrobenzoate