Task: Answer the multiple choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES CCc1c(C)c(C#N)c2nc3ccccc3n2c1NCCN(C)C?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
a: 5.573
b: -2.367
c: 1.426
d: 7.662
Answer: c. 1.426\%.
{#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}.
CCc1c(C)c(C#N)c2nc3ccccc3n2c1NCCN(C)C
CCc1c(C)c(C#N)c2nc3ccccc3n2c1NCCN(C)C
1-[2-(dimethylamino)ethylamino]-2-ethyl-3-methylpyrido[1,2-a]benzimidazole-4-carbonitrile