Task: Answer the MCQ question.
Query: Which drug exhibits a 16.608\% 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) CN1CCc2c([nH]c3ccccc23)C1
b) CCCCCSc1nc2c(cnn2-c2ccccc2)c(=O)[nH]1
Answer: a. CN1CCc2c([nH]c3ccccc23)C1
{#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#}
CN1CCc2c([nH]c3ccccc23)C1
CN1CCc2c([nH]c3ccccc23)C1
2-methyl-1,3,4,9-tetrahydropyrido[3,4-b]indole