Task: Answer the multiple choice question.
Query: Which compound exhibits a 10.205\% human ether-à-go-go related gene (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: Nc1ncnc2c1ncn2C1OC(C(=O)NC2CC2)C(O)C1O
b: COCC1CCN(C(=O)c2cc(COc3ccc(-n4cncn4)cc3)on2)C1
Answer: a. Nc1ncnc2c1ncn2C1OC(C(=O)NC2CC2)C(O)C1O
{#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#}
Nc1ncnc2c1ncn2C1OC(C(=O)NC2CC2)C(O)C1O
Nc1ncnc2c1ncn2C1OC(C(=O)NC2CC2)C(O)C1O
5-(6-aminopurin-9-yl)-N-cyclopropyl-3,4-dihydroxyoxolane-2-carboxamide