Task: Answer the multiple choice question.
Question: Which drug exhibits a -4.046\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1ccc(Br)c(C(=O)NCC2CCCCC2)c1
b) CCn1ncc(/C=N/NS(=O)(=O)c2ccc(Cl)cc2)c1C
Answer: b. CCn1ncc(/C=N/NS(=O)(=O)c2ccc(Cl)cc2)c1C
{#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#}
CCn1ncc(/C=N/NS(=O)(=O)c2ccc(Cl)cc2)c1C
CCn1ncc(/C=N/NS(=O)(=O)c2ccc(Cl)cc2)c1C
4-chloro-N-[(E)-(1-ethyl-5-methylpyrazol-4-yl)methylideneamino]benzenesulfonamide