Task: Answer the MCQ question.
Question: Which compound exhibits a -22.901% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] Nc1c(Cl)cc(C2=NCCn3nc4cc([N+](=O)[O-])ccc4c32)cc1Cl
[b] O=C(N/C(=C\c1cccc(Br)c1)C(=O)N1CCCCC1)c1ccco1
[c] Cc1ccccc1C(=O)c1cccn1CC(=O)NCCCN1CCCCC1
[d] CCCn1cc(CN2CCC(Oc3ccc(C(=O)N4CCCC4)cc3)CC2)c(C)n1
Answer: a. Nc1c(Cl)cc(C2=NCCn3nc4cc([N+](=O)[O-])ccc4c32)cc1Cl
{#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#}
Nc1c(Cl)cc(C2=NCCn3nc4cc([N+](=O)[O-])ccc4c32)cc1Cl
Nc1c(Cl)cc(C2=NCCn3nc4cc([N+](=O)[O-])ccc4c32)cc1Cl
[1-(4-amino-3,5-dichlorophenyl)-3,4-dihydropyrazino[1,2-b]indazol-8-yl]-oxido-oxoazanium