Task: Answer the multiple choice question.
Question: Which compound exhibits a 19.619\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CCCn1nnnc1NC(=O)COc1ccc(Br)cc1
(b) CCN1C(=O)C2(/C(=C(\O)c3ccc4c(c3)OCCO4)C(=O)C(=O)N2CCCOC)c2ccccc21
(c) O=C(NCC(c1ccco1)N1CCOCC1)c1c(F)cccc1F
Answer: b. CCN1C(=O)C2(/C(=C(\O)c3ccc4c(c3)OCCO4)C(=O)C(=O)N2CCCOC)c2ccccc21
{#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#}
CCN1C(=O)C2(/C(=C(\O)c3ccc4c(c3)OCCO4)C(=O)C(=O)N2CCCOC)c2ccccc21
CCN1C(=O)C2(/C(=C(\O)c3ccc4c(c3)OCCO4)C(=O)C(=O)N2CCCOC)c2ccccc21
(4'E)-4'-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylidene]-1-ethyl-1'-(3-methoxypropyl)spiro[indole-3,5'-pyrrolidine]-2,2',3'-trione