Task: Answer the multiple choice question.
Query: Which compound exhibits a 11.350\% 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: COc1ccc(CCNc2c([N+](=O)[O-])c(=O)oc3ccccc23)cc1OC
b: CCOC(=O)c1[nH]c(=O)[nH]c1CSCCO
Answer: b. CCOC(=O)c1[nH]c(=O)[nH]c1CSCCO
{#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)c1[nH]c(=O)[nH]c1CSCCO
CCOC(=O)c1[nH]c(=O)[nH]c1CSCCO
4-ethoxycarbonyl-5-(2-hydroxyethylsulfanylmethyl)-1,3-dihydroimidazol-2-one