Task: Answer the multiple choice question.
Query: Which compound exhibits a -1.873\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: CCCCCN(C(=O)CCC(=O)OCc1cccc(Cl)c1)c1c(N)n(CCCC)c(=O)[nH]c1=O
b: Nc1ncnc2c1C1(CCCCC1)Cc1ccccc1-2
c: Cc1csc(SCc2c(C(=O)O)oc3ccccc23)n1
Answer: b. Nc1ncnc2c1C1(CCCCC1)Cc1ccccc1-2
{#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#}
Nc1ncnc2c1C1(CCCCC1)Cc1ccccc1-2
Nc1ncnc2c1C1(CCCCC1)Cc1ccccc1-2
spiro[6H-benzo[h]quinazoline-5,1'-cyclohexane]-4-amine