Task: Answer the multiple-choice question.
Query: Which drug has a -1.584\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] COc1ccccc1CNC(=O)CN1C(=O)CSc2ccc(S(=O)(=O)N3CCCC3)cc21
[b] CCOC(=O)C1CCCCN1S(=O)(=O)c1cc2c(cc1C)NC(=O)CO2
[c] CCCCCCOc1ccc(OC(=O)c2ccncc2)cc1
Answer: b. CCOC(=O)C1CCCCN1S(=O)(=O)c1cc2c(cc1C)NC(=O)CO2
{#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)C1CCCCN1S(=O)(=O)c1cc2c(cc1C)NC(=O)CO2
CCOC(=O)C1CCCCN1S(=O)(=O)c1cc2c(cc1C)NC(=O)CO2
ethyl 1-[(6-methyl-3-oxo-4H-1,4-benzoxazin-7-yl)sulfonyl]piperidine-2-carboxylate