Task: Answer the MCQ question.
Query: Which compound has a 21.063\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CN1CCN(C(=O)CCN2C(=O)/C(=C/c3ccccc3Cl)SC2=S)CC1
(b) CN(C)c1cc(-c2ccc(Br)cc2)oc(=O)c1Cl
(c) COc1cc(-c2c(C#N)c(N)nc3c2c(C)nn3-c2ccc(C)c(C)c2)cc(OC)c1OC
Answer: c. COc1cc(-c2c(C#N)c(N)nc3c2c(C)nn3-c2ccc(C)c(C)c2)cc(OC)c1OC
{#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#}
COc1cc(-c2c(C#N)c(N)nc3c2c(C)nn3-c2ccc(C)c(C)c2)cc(OC)c1OC
COc1cc(-c2c(C#N)c(N)nc3c2c(C)nn3-c2ccc(C)c(C)c2)cc(OC)c1OC
6-amino-1-(3,4-dimethylphenyl)-3-methyl-4-(3,4,5-trimethoxyphenyl)pyrazolo[3,4-b]pyridine-5-carbonitrile