Task: Answer the multiple-choice question.
Query: Which compound has a 9.737\% 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. Cc1cccc(C)c1NC(=O)CN(C)C(=O)c1ccc(COc2ccccc2)cc1
b. CCOC(=O)CC1C(=O)NCCN1C(=O)c1ccc(Cl)cc1
Answer: b. CCOC(=O)CC1C(=O)NCCN1C(=O)c1ccc(Cl)cc1
{#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)CC1C(=O)NCCN1C(=O)c1ccc(Cl)cc1
CCOC(=O)CC1C(=O)NCCN1C(=O)c1ccc(Cl)cc1
ethyl2-[1-(4-chlorobenzoyl)-3-oxopiperazin-2-yl]acetate