Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -3.544\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=[N+]([O-])c1cccc(/C=N/Nc2nccnc2Cl)c1
(b) COc1cccc(C2C3=C(N=c4s/c(=C\c5ccc(O)cc5)c(=O)n42)c2ccccc2CC3)c1OC
Answer: a. O=[N+]([O-])c1cccc(/C=N/Nc2nccnc2Cl)c1
{#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#}
O=[N+]([O-])c1cccc(/C=N/Nc2nccnc2Cl)c1
O=[N+]([O-])c1cccc(/C=N/Nc2nccnc2Cl)c1
3-chloro-N-[(E)-(3-nitrophenyl)methylideneamino]pyrazin-2-amine