Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES O=C(NC1CCSc2ccccc21)c1ccc([N+](=O)[O-])cc1?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
a 0.520
b -7.889
c -6.813
d 4.388
Answer: c. -6.813\%.
{#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(NC1CCSc2ccccc21)c1ccc([N+](=O)[O-])cc1
O=C(NC1CCSc2ccccc21)c1ccc([N+](=O)[O-])cc1
N-(3,4-dihydro-2H-thiochromen-4-yl)-4-nitrobenzamide