Task: Answer the multiple-choice question.
Question: Which drug exhibits a 4.411\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCOC(=O)CSc1nc(C)cc2c1C(=O)OC2
[b] CCc1cc(C(=O)NC2CCCN(Cc3ccccc3F)C2)n(C)n1
Answer: a. CCOC(=O)CSc1nc(C)cc2c1C(=O)OC2
{#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)CSc1nc(C)cc2c1C(=O)OC2
CCOC(=O)CSc1nc(C)cc2c1C(=O)OC2
ethyl 2-[(6-methyl-3-oxo-1H-furo[3,4-c]pyridin-4-yl)sulfanyl]acetate