Problem statement: Answer the multiple-choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES CCNc1c(NS(=O)(=O)c2ccc([N+](=O)[O-])cc2)c(=O)oc2ccccc12?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a 16.366
b -2.120
Answer: a. 16.366\%.
{#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}.
CCNc1c(NS(=O)(=O)c2ccc([N+](=O)[O-])cc2)c(=O)oc2ccccc12
CCNc1c(NS(=O)(=O)c2ccc([N+](=O)[O-])cc2)c(=O)oc2ccccc12
N-[4-(ethylamino)-2-oxochromen-3-yl]-4-nitrobenzenesulfonamide