Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES COc1ccc(S(=O)(=O)NC(C)(C)C)cc1-c1nnc2c3ccccc3c(C)nn12?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a: 15.302
b: 16.734
c: 2.511
Answer: c. 2.511\%.
{#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}.
COc1ccc(S(=O)(=O)NC(C)(C)C)cc1-c1nnc2c3ccccc3c(C)nn12
COc1ccc(S(=O)(=O)NC(C)(C)C)cc1-c1nnc2c3ccccc3c(C)nn12
N-tert-butyl-4-methoxy-3-(6-methyl-[1,2,4]triazolo[3,4-a]phthalazin-3-yl)benzenesulfonamide