Task: Answer the MCQ question.
Question: Which drug exhibits a 12.973% 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] O=C(NC1CCCCC1)C(c1ccc2ncccc2c1)N(Cc1ccco1)C(=O)c1ccc2c(c1)OCCO2
[b] Cc1c(NC(=O)NC(C)N2C(=O)C3C4C=CC(C4)C3C2=O)c(=O)n(-c2ccccc2)n1C
Answer: b. Cc1c(NC(=O)NC(C)N2C(=O)C3C4C=CC(C4)C3C2=O)c(=O)n(-c2ccccc2)n1C
{#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#}
Cc1c(NC(=O)NC(C)N2C(=O)C3C4C=CC(C4)C3C2=O)c(=O)n(-c2ccccc2)n1C
Cc1c(NC(=O)NC(C)N2C(=O)C3C4C=CC(C4)C3C2=O)c(=O)n(-c2ccccc2)n1C
1-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-3-[1-(3,5-dioxo-4-azatricyclo[5.2.1.02,6]dec-8-en-4-yl)ethyl]urea