Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -2.179\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1ccsc1/C=N/Nc1ncnc2nc[nH]c12
b. Cc1ccc(CNC(=O)C2CCCN(C(=O)N(C)C)C2)cc1
Answer: a. Cc1ccsc1/C=N/Nc1ncnc2nc[nH]c12
{#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#}
Cc1ccsc1/C=N/Nc1ncnc2nc[nH]c12
Cc1ccsc1/C=N/Nc1ncnc2nc[nH]c12
N-[(E)-(3-methylthiophen-2-yl)methylideneamino]-7H-purin-6-amine