Problem statement: Answer the MCQ 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 CCc1nc(SCC(=O)N2CCc3cc(OC)c(OC)cc3C2)c(C#N)cc1C?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a: 20.548
b: -5.839
c: 15.400
Answer: c. 15.400\%.
{#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}.
CCc1nc(SCC(=O)N2CCc3cc(OC)c(OC)cc3C2)c(C#N)cc1C
CCc1nc(SCC(=O)N2CCc3cc(OC)c(OC)cc3C2)c(C#N)cc1C
2-[2-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)-2-oxoethyl]sulfanyl-6-ethyl-5-methylpyridine-3-carbonitrile