Task: Answer the multiple-choice question.
Question: Which compound exhibits a 13.388\% 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) O=C(CN1CCOc2ccccc21)NCc1cccs1
(b) CCn1c(C)[n+](CC(O)COCC2CC=CCC2)c2ccccc21.[I-]
(c) COc1cccc(CNc2ccc([N+](=O)[O-])c(NCC(=O)O)n2)c1
(d) COc1cccc(C(=O)Oc2cc(C)[nH]c(=O)c2[N+](=O)[O-])c1OC
Answer: b. CCn1c(C)[n+](CC(O)COCC2CC=CCC2)c2ccccc21.[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#}
CCn1c(C)[n+](CC(O)COCC2CC=CCC2)c2ccccc21.[I-]
CCn1c(C)[n+](CC(O)COCC2CC=CCC2)c2ccccc21.[I-]
1-(cyclohex-3-en-1-ylmethoxy)-3-(3-ethyl-2-methylbenzimidazol-1-ium-1-yl)propan-2-ol;iodide