Task: 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(CNC(=O)c1ccc(Br)cc1)NCCc1nc2ccccc2[nH]1?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
(a) 9.591
(b) 1.525
(c) 14.085
(d) 21.096
Answer: b. 1.525\%.
{#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(CNC(=O)c1ccc(Br)cc1)NCCc1nc2ccccc2[nH]1
O=C(CNC(=O)c1ccc(Br)cc1)NCCc1nc2ccccc2[nH]1
N-[2-[2-(1H-benzimidazol-2-yl)ethylamino]-2-oxoethyl]-4-bromobenzamide