Task: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES O=c1[nH]c(CN2CCN(c3ncccn3)CC2)nc2c(Br)cc(Br)cc12?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
(a) 6.174
(b) 15.140
(c) 3.923
Answer: a. 6.174\%.
{#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=c1[nH]c(CN2CCN(c3ncccn3)CC2)nc2c(Br)cc(Br)cc12
O=c1[nH]c(CN2CCN(c3ncccn3)CC2)nc2c(Br)cc(Br)cc12
6,8-dibromo-2-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-3H-quinazolin-4-one