Task: Answer the MCQ question.
Query: Which drug has a 19.963\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) CCc1ccc(C(=O)NN=C2CCCCCC2)s1
(b) COc1ccc(-c2c(C#Cc3ccsc3)c3cc(-c4ccc5c(c4)OCO5)ccc3n2C)cc1
(c) CN(C)S(=O)(=O)c1cccc(NC(=O)Cc2ccsc2)c1
(d) CC(C)OC(=O)c1cccc(C(=O)O)n1
Answer: b. COc1ccc(-c2c(C#Cc3ccsc3)c3cc(-c4ccc5c(c4)OCO5)ccc3n2C)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#}
COc1ccc(-c2c(C#Cc3ccsc3)c3cc(-c4ccc5c(c4)OCO5)ccc3n2C)cc1
COc1ccc(-c2c(C#Cc3ccsc3)c3cc(-c4ccc5c(c4)OCO5)ccc3n2C)cc1
5-(1,3-benzodioxol-5-yl)-2-(4-methoxyphenyl)-1-methyl-3-(2-thiophen-3-ylethynyl)indole