Problem statement: Answer the multiple-choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES O=C1c2c([N+](=O)[O-])cc([N+](=O)[O-])cc2S(=O)N1Cc1ccccc1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. 18.444
b. 2.646
c. 2.415
d. 12.774
e. 8.668
Answer: a. 18.444\%.
{#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=C1c2c([N+](=O)[O-])cc([N+](=O)[O-])cc2S(=O)N1Cc1ccccc1
O=C1c2c([N+](=O)[O-])cc([N+](=O)[O-])cc2S(=O)N1Cc1ccccc1
2-benzyl-4,6-dinitro-1-oxo-1,2-benzothiazol-3-one