Task: Answer the MCQ question.
Question: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES Cn1c(=O)c2c3c(sc2n2c(SCC(N)=O)nnc12)CC(C(C)(C)C)CC3?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
(a) 8.139
(b) 1.013
Answer: a. 8.139\%.
{#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}.
Cn1c(=O)c2c3c(sc2n2c(SCC(N)=O)nnc12)CC(C(C)(C)C)CC3
Cn1c(=O)c2c3c(sc2n2c(SCC(N)=O)nnc12)CC(C(C)(C)C)CC3
2-[(13-tert-butyl-7-methyl-8-oxo-16-thia-2,4,5,7-tetrazatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),3,5,10(15)-tetraen-3-yl)sulfanyl]acetamide