Task: Answer the multiple-choice question.
Query: Which compound has a 19.856\% 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 other words.
Options:
[a] c1ccc(C2OC3c4cccc5cccc(c45)C3N2c2ccccc2)cc1
[b] C=CCNC(=O)[C@@H]1CSC2c3ccc(OC)c(OC)c3C(=O)N21
[c] COC(=O)c1c(C)n(-c2ccccc2)c2ccc(O)cc12
Answer: a. c1ccc(C2OC3c4cccc5cccc(c45)C3N2c2ccccc2)cc1
{#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#}
c1ccc(C2OC3c4cccc5cccc(c45)C3N2c2ccccc2)cc1
c1ccc(C2OC3c4cccc5cccc(c45)C3N2c2ccccc2)cc1
8,9-diphenyl-9,9a-dihydro-6bH-acenaphthyleno[1,2-d][1,3]oxazole