Task: Answer the MCQ question.
Question: Which compound exhibits a 6.778\% 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 additional words.
Options:
a. COc1ccc(-n2c(CNc3ccc(C)cc3)nnc2SCc2ccccc2)cc1
b. O=C(O)c1ccc(NC(=O)C2C3CCC(O3)C2C(=O)O)cc1
c. CSc1nc(-c2cccs2)c(C#N)c(=O)[nH]1
d. O=C(COC(=O)c1cnccn1)NC(=O)c1ccccc1
e. O=S(=O)(Nc1cccc(-c2ccc3nncn3n2)c1)c1ccc(Cl)s1
Answer: c. CSc1nc(-c2cccs2)c(C#N)c(=O)[nH]1
{#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#}
CSc1nc(-c2cccs2)c(C#N)c(=O)[nH]1
CSc1nc(-c2cccs2)c(C#N)c(=O)[nH]1
2-methylsulfanyl-6-oxo-4-thiophen-2-yl-1H-pyrimidine-5-carbonitrile