Problem statement: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES CN1CCN(c2nc(-c3ccc(Br)cc3)nnc2-c2ccccc2)CC1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a.) 3.778
b.) 6.073
c.) -2.894
d.) 12.469
e.) 14.948
Answer: a. 3.778\%.
{#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}.
3-(4-bromophenyl)-5-(4-methylpiperazin-1-yl)-6-phenyl-1,2,4-triazine