Task: Answer the multiple-choice question.
Question: Which compound exhibits a 5.335\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCOC(=O)C1CCCN(C(=O)c2csc(-c3ccc4c(c3)CCO4)n2)C1
b. Cc1ccc(S(=O)(=O)N2CCN(C(=O)CN3C(=O)NC4(CCCC4)C3=O)CC2)c(C)c1
Answer: a. CCOC(=O)C1CCCN(C(=O)c2csc(-c3ccc4c(c3)CCO4)n2)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#}
CCOC(=O)C1CCCN(C(=O)c2csc(-c3ccc4c(c3)CCO4)n2)C1
CCOC(=O)C1CCCN(C(=O)c2csc(-c3ccc4c(c3)CCO4)n2)C1
ethyl 1-[2-(2,3-dihydro-1-benzofuran-5-yl)-1,3-thiazole-4-carbonyl]piperidine-3-carboxylate