Task: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 10uM of a compound with the SMILES COc1ccc(C2C(C#N)=C(N)OC3=C2C(=O)CC(C)(C)C3)c(OC)c1OC?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) 8.556
(b) 0.505
(c) 4.345
(d) 7.676
Answer: c. 4.345%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__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_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
COc1ccc(C2C(C#N)=C(N)OC3=C2C(=O)CC(C)(C)C3)c(OC)c1OC
COc1ccc(C2C(C#N)=C(N)OC3=C2C(=O)CC(C)(C)C3)c(OC)c1OC
2-amino-7,7-dimethyl-5-oxo-4-(2,3,4-trimethoxyphenyl)-6,8-dihydro-4H-chromene-3-carbonitrile