Task: Answer the multiple choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES Cn1c(CSc2nc3ccc(Br)cc3[nH]2)nc2ccccc21?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
(a) 6.648
(b) 14.979
Answer: a. 6.648\%.
{#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}.
Cn1c(CSc2nc3ccc(Br)cc3[nH]2)nc2ccccc21
Cn1c(CSc2nc3ccc(Br)cc3[nH]2)nc2ccccc21
2-[(6-bromo-1H-benzimidazol-2-yl)sulfanylmethyl]-1-methylbenzimidazole