Task: Answer the MCQ question.
Query: Which drug exhibits a -2.526\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CCn1c(CSCc2c(Cl)cccc2Cl)n[nH]c1=S
b.) CCOC(=O)c1ccccc1NC(=S)N1CCCCC1
Answer: b. CCOC(=O)c1ccccc1NC(=S)N1CCCCC1
{#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)c1ccccc1NC(=S)N1CCCCC1
CCOC(=O)c1ccccc1NC(=S)N1CCCCC1
ethyl2-(piperidine-1-carbothioylamino)benzoate