Task: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES Cc1ccc(-c2c[n+](CCCN3C(=O)c4ccccc4C3=O)c3n2CCC3)cc1.[Br-]?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] 9.915
[b] 15.236
[c] 2.316
[d] -2.936
[e] 14.667
Answer: d. -2.936\%.
{#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}.
Cc1ccc(-c2c[n+](CCCN3C(=O)c4ccccc4C3=O)c3n2CCC3)cc1.[Br-]
Cc1ccc(-c2c[n+](CCCN3C(=O)c4ccccc4C3=O)c3n2CCC3)cc1.[Br-]
2-[3-[3-(4-methylphenyl)-6,7-dihydro-5H-pyrrolo[1,2-a]imidazol-1-ium-1-yl]propyl]isoindole-1,3-dione;bromide