Task: Answer the MCQ question.
Question: Which drug has a 19.501% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CC(C)c1ccccc1OCC(=O)N(C)CC(=O)Nc1ccc(F)cc1
b) CNC1(c2nnnn2-c2ccccc2C)CCOC(C)(C)C1
Answer: b. CNC1(c2nnnn2-c2ccccc2C)CCOC(C)(C)C1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CNC1(c2nnnn2-c2ccccc2C)CCOC(C)(C)C1
CNC1(c2nnnn2-c2ccccc2C)CCOC(C)(C)C1
N,2,2-trimethyl-4-[1-(2-methylphenyl)tetrazol-5-yl]oxan-4-amine