Task: Answer the multiple choice question.
Question: Which compound exhibits a 1.286% 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 Cc1ccc(N2C(=O)c3ccccc3C2=O)cc1C
b CCOC(=O)c1c(CC(C)C)csc1NC(=O)CCl
Answer: b. CCOC(=O)c1c(CC(C)C)csc1NC(=O)CCl
{#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#}
CCOC(=O)c1c(CC(C)C)csc1NC(=O)CCl
CCOC(=O)c1c(CC(C)C)csc1NC(=O)CCl
ethyl2-[(2-chloroacetyl)amino]-4-(2-methylpropyl)thiophene-3-carboxylate