Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -1.208\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a) CC(=O)c1cc(C#N)c(SCCC(C)C)nc1C
b) CCOc1cc(N2CCOCC2)c(OCC)cc1NC(=O)c1ccc(NC(C)=O)cc1
c) COc1ccc(NC(=O)C2=CC(c3ccc(OC)cc3)=NS(=O)(=O)N2C)cc1
d) CCc1noc(C)c1C(=O)Nc1cccc(S(=O)(=O)N2CCCCCC2)c1
e) CCOC(=O)CNC(=O)CSc1ncnc2c1cnn2Cc1ccccc1
Answer: a. CC(=O)c1cc(C#N)c(SCCC(C)C)nc1C
{#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#}
CC(=O)c1cc(C#N)c(SCCC(C)C)nc1C
CC(=O)c1cc(C#N)c(SCCC(C)C)nc1C
5-acetyl-6-methyl-2-(3-methylbutylsulfanyl)pyridine-3-carbonitrile