Task: Answer the MCQ question.
Question: Which compound has a 4.083\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) CC(Nc1nc(N2CCNCC2)nc2ccccc12)c1ccccc1
b) CCNc1ccc(S(N)(=O)=O)cc1[N+](=O)[O-]
c) CCSc1nc(N)c(C#N)c(-c2ccccc2Cl)c1C#N
Answer: c. CCSc1nc(N)c(C#N)c(-c2ccccc2Cl)c1C#N
{#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#}
CCSc1nc(N)c(C#N)c(-c2ccccc2Cl)c1C#N
CCSc1nc(N)c(C#N)c(-c2ccccc2Cl)c1C#N
2-amino-4-(2-chlorophenyl)-6-ethylsulfanylpyridine-3,5-dicarbonitrile