Problem statement: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES O=C(C[n+]1cc(-c2ccc(Cl)c(Cl)c2)n2c1CCC2)OCc1ccccc1.[Br-]?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
[a] -2.260
[b] 15.154
Answer: a. -2.260\%.
{#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=C(C[n+]1cc(-c2ccc(Cl)c(Cl)c2)n2c1CCC2)OCc1ccccc1.[Br-]
O=C(C[n+]1cc(-c2ccc(Cl)c(Cl)c2)n2c1CCC2)OCc1ccccc1.[Br-]
benzyl 2-[3-(3,4-dichlorophenyl)-6,7-dihydro-5H-pyrrolo[1,2-a]imidazol-1-ium-1-yl]acetate;bromide