Task: Answer the multiple-choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES c1ccc(CN2c3ccccc3-c3nc4ccccc4n3C2c2ccccn2)cc1?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a: 2.509
b: 9.167
c: 3.725
Answer: a. 2.509\%.
{#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}.
c1ccc(CN2c3ccccc3-c3nc4ccccc4n3C2c2ccccn2)cc1
c1ccc(CN2c3ccccc3-c3nc4ccccc4n3C2c2ccccn2)cc1
5-benzyl-6-pyridin-2-yl-6H-benzimidazolo[1,2-c]quinazoline