Task: Answer the multiple choice question.
Query: Which compound has a 19.689% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COC(=O)CC1C(=O)NCCN1C(=O)c1ccc2oc(C(C)C)nc2c1
b CCOC(=O)c1ccccc1NC(=O)COC(=O)CCC(=O)c1ccc(C)cc1
Answer: a. COC(=O)CC1C(=O)NCCN1C(=O)c1ccc2oc(C(C)C)nc2c1
{#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#}
COC(=O)CC1C(=O)NCCN1C(=O)c1ccc2oc(C(C)C)nc2c1
COC(=O)CC1C(=O)NCCN1C(=O)c1ccc2oc(C(C)C)nc2c1
methyl 2-[3-oxo-1-(2-propan-2-yl-1,3-benzoxazole-5-carbonyl)piperazin-2-yl]acetate