Task: Answer the MCQ question.
Query: Which compound exhibits a 9.533\% 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 Cc1ccnc(NS(=O)(=O)c2ccc(NC(=O)CCc3ccccc3)cc2)n1
b NC(=O)CCC(C(=O)O)N1C(=O)c2ccc(O)cc2C1=O
Answer: b. NC(=O)CCC(C(=O)O)N1C(=O)c2ccc(O)cc2C1=O
{#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#}
NC(=O)CCC(C(=O)O)N1C(=O)c2ccc(O)cc2C1=O
NC(=O)CCC(C(=O)O)N1C(=O)c2ccc(O)cc2C1=O
5-amino-2-(5-hydroxy-1,3-dioxoisoindol-2-yl)-5-oxopentanoic acid