Task: Answer the multiple-choice question.
Query: Which compound exhibits a -42.948\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCn1nccc1C(=O)Nc1ccc(S(=O)(=O)NC23CC4CC(CC(C4)C2)C3)cc1
b. CCn1c(COc2ccc(Cl)cc2)nnc1SCc1ccc(C#N)cc1
Answer: b. CCn1c(COc2ccc(Cl)cc2)nnc1SCc1ccc(C#N)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#}
CCn1c(COc2ccc(Cl)cc2)nnc1SCc1ccc(C#N)cc1
CCn1c(COc2ccc(Cl)cc2)nnc1SCc1ccc(C#N)cc1
4-[[5-[(4-chlorophenoxy)methyl]-4-ethyl-1,2,4-triazol-3-yl]sulfanylmethyl]benzonitrile