Task: Answer the MCQ question.
Query: Which compound has a 20.606\% 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: CCCCN1CNC(=S)N(c2ccc(C(=O)OCC)cc2)C1
b: C[N+](C)(C)CCNC(=O)c1cc[n+](Cc2ccccc2)c(/C=N/O)c1.[I-]
c: CC(C)NCC(O)COCCOc1ccc(Br)cc1.Cl
d: Cc1noc(C)c1C(=O)OCC(=O)NC1CC1
Answer: b. C[N+](C)(C)CCNC(=O)c1cc[n+](Cc2ccccc2)c(/C=N/O)c1.[I-]
{#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#}
C[N+](C)(C)CCNC(=O)c1cc[n+](Cc2ccccc2)c(/C=N/O)c1.[I-]
C[N+](C)(C)CCNC(=O)c1cc[n+](Cc2ccccc2)c(/C=N/O)c1.[I-]
2-[[1-benzyl-2-[(E)-hydroxyiminomethyl]pyridin-1-ium-4-carbonyl]amino]ethyl-trimethylazanium;iodide