Task: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES CC(=O)CC(C)(C)n1c[n+](C)nn1.[O-][Cl+3]([O-])([O-])[O-]?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: 4.588
b: 4.199
c: 9.620
d: 20.377
e: 0.524
Answer: b. 4.199\%.
{#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}.
CC(=O)CC(C)(C)n1c[n+](C)nn1.[O-][Cl+3]([O-])([O-])[O-]
CC(=O)CC(C)(C)n1c[n+](C)nn1.[O-][Cl+3]([O-])([O-])[O-]
4-methyl-4-(4-methyltetrazol-4-ium-1-yl)pentan-2-one;perchlorate