Task: Answer the MCQ question.
Question: Which compound exhibits a 16.142\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CNCC(C)COc1ccccc1OCc1ccccc1.O=C(O)/C=C\C(=O)O
b: CCOC(=O)c1c2n(c3ccc(O)cc13)CCC2
c: Cc1cc(C)nc(SCCn2c(N3CCCCC3)nc3c2c(=O)n(C)c(=O)n3C)n1
d: C/C(=N\NC(=O)COc1ccc(C#N)cc1)c1ccccc1OC(F)F
Answer: b. CCOC(=O)c1c2n(c3ccc(O)cc13)CCC2
{#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#}
CCOC(=O)c1c2n(c3ccc(O)cc13)CCC2
CCOC(=O)c1c2n(c3ccc(O)cc13)CCC2
ethyl 6-hydroxy-2,3-dihydro-1H-pyrrolo[1,2-a]indole-4-carboxylate