Task: Answer the multiple-choice question.
Query: Which drug exhibits a -1.437% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cc1cccc(OCCNC(=O)CCc2ccccc2)c1
[b] CCOC(=O)CSc1c(-c2cccs2)[nH]c2ccccc12
Answer: b. CCOC(=O)CSc1c(-c2cccs2)[nH]c2ccccc12
{#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#}
CCOC(=O)CSc1c(-c2cccs2)[nH]c2ccccc12
CCOC(=O)CSc1c(-c2cccs2)[nH]c2ccccc12
ethyl 2-[(2-thiophen-2-yl-1H-indol-3-yl)sulfanyl]acetate