Task: Answer the multiple-choice question.
Question: Which drug has a 18.697\% 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: COc1ccc(OC)c(NC(=O)CSc2nccn2Cc2ccco2)c1
b: Cc1cccc(NC(=O)c2cc3c(s2)-c2c(C)cccc2OC3)n1
c: COc1cc(OC)cc(-c2c(C#Cc3ccsc3)c3cc(-c4ccc5cc[nH]c5c4)ccc3n2C)c1
Answer: c. COc1cc(OC)cc(-c2c(C#Cc3ccsc3)c3cc(-c4ccc5cc[nH]c5c4)ccc3n2C)c1
{#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#}
COc1cc(OC)cc(-c2c(C#Cc3ccsc3)c3cc(-c4ccc5cc[nH]c5c4)ccc3n2C)c1
COc1cc(OC)cc(-c2c(C#Cc3ccsc3)c3cc(-c4ccc5cc[nH]c5c4)ccc3n2C)c1
2-(3,5-dimethoxyphenyl)-5-(1H-indol-6-yl)-1-methyl-3-(2-thiophen-3-ylethynyl)indole