Task: Answer the MCQ question.
Query: Which compound exhibits a 12.509\% 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.) COC(=O)c1ccccc1C(=O)N1CCOCCOCCOCC1
b.) O=[N+]([O-])c1cccc(/C=N/N2CCN(Cc3ccccc3)CC2)c1
Answer: a. COC(=O)c1ccccc1C(=O)N1CCOCCOCCOCC1
{#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#}
COC(=O)c1ccccc1C(=O)N1CCOCCOCCOCC1
COC(=O)c1ccccc1C(=O)N1CCOCCOCCOCC1
methyl 2-(1,4,7-trioxa-10-azacyclododecane-10-carbonyl)benzoate