Task: Answer the MCQ question.
Query: Which drug exhibits a -5.476% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CN1CCCNc2nc3ccccc3nc21
b CC1C(=O)CCCCCCCCCC2C1(N1CCOCC1)CS2(=O)=O
c Cc1cccc(NC(=O)CN2CCN(C(=O)COc3cccc(Br)c3)CC2)c1C
Answer: a. CN1CCCNc2nc3ccccc3nc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CN1CCCNc2nc3ccccc3nc21
CN1CCCNc2nc3ccccc3nc21
1-methyl-2,3,4,5-tetrahydro-[1,4]diazepino[2,3-b]quinoxaline