Task: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES CN(CC(=O)Nc1ccccc1Br)C(=O)c1cc([N+](=O)[O-])ccc1N1CCOCC1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] 13.392
[b] 17.778
[c] 8.235
[d] 6.842
Answer: b. 17.778\%.
{#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}.
CN(CC(=O)Nc1ccccc1Br)C(=O)c1cc([N+](=O)[O-])ccc1N1CCOCC1
CN(CC(=O)Nc1ccccc1Br)C(=O)c1cc([N+](=O)[O-])ccc1N1CCOCC1
N-[2-(2-bromoanilino)-2-oxoethyl]-N-methyl-2-morpholin-4-yl-5-nitrobenzamide