Task: Answer the multiple-choice question.
Query: Which compound exhibits a 1.828\% 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: CCC(CNc1cc(OC)cc2cccnc12)NC1CCCCC1
b: CCS(=O)(=O)N1CCN(Cc2ccccc2OC)CC1.O=C(O)C(=O)O
Answer: a. CCC(CNc1cc(OC)cc2cccnc12)NC1CCCCC1
{#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#}
CCC(CNc1cc(OC)cc2cccnc12)NC1CCCCC1
CCC(CNc1cc(OC)cc2cccnc12)NC1CCCCC1
2-N-cyclohexyl-1-N-(6-methoxyquinolin-8-yl)butane-1,2-diamine