Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -4.750\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCOC(=O)CN1C(=O)C(CC)Oc2ccccc21
b COc1ccc(C2CC(=O)Oc3ccc(C(C)(C)C)cc32)cc1
Answer: a. CCOC(=O)CN1C(=O)C(CC)Oc2ccccc21
{#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)CN1C(=O)C(CC)Oc2ccccc21
CCOC(=O)CN1C(=O)C(CC)Oc2ccccc21
ethyl 2-(2-ethyl-3-oxo-1,4-benzoxazin-4-yl)acetate