Task: Answer the multiple choice question.
Query: Which drug exhibits a 4.726\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COC(=O)c1ccc2c(=O)[nH]c(CSc3nc(C)cs3)nc2c1
b: COc1ccc(-c2c(C#N)c(N)nc3c2CCc2ccccc2-3)cc1OC
Answer: b. COc1ccc(-c2c(C#N)c(N)nc3c2CCc2ccccc2-3)cc1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc(-c2c(C#N)c(N)nc3c2CCc2ccccc2-3)cc1OC
COc1ccc(-c2c(C#N)c(N)nc3c2CCc2ccccc2-3)cc1OC
2-amino-4-(3,4-dimethoxyphenyl)-5,6-dihydrobenzo[h]quinoline-3-carbonitrile