Task: Answer the multiple choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES O=C1c2ccccc2N2C(=O)c3ccccc3C2N1O?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
a: 21.302
b: 9.320
c: 1.790
d: -0.727
Answer: a. 21.302\%.
{#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=C1c2ccccc2N2C(=O)c3ccccc3C2N1O
O=C1c2ccccc2N2C(=O)c3ccccc3C2N1O
6-hydroxy-6aH-isoindolo[2,3-a]quinazoline-5,11-dione