Task: Answer the MCQ question.
Query: Which drug has a -4.728\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Cc1[nH]nc2c1C1(CCOCC1)C(C#N)=C(N)O2
b: COc1ccc(NC(=O)CN(C)S(=O)(=O)c2ccccc2)cc1
Answer: a. Cc1[nH]nc2c1C1(CCOCC1)C(C#N)=C(N)O2
{#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#}
Cc1[nH]nc2c1C1(CCOCC1)C(C#N)=C(N)O2
Cc1[nH]nc2c1C1(CCOCC1)C(C#N)=C(N)O2
6-amino-3-methylspiro[2H-pyrano[2,3-c]pyrazole-4,4'-oxane]-5-carbonitrile