Task: Answer the multiple-choice question.
Question: Which drug exhibits a 3.773\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cn1nc(N)c2c(-c3ccc(Cl)cc3)c(C#N)c(N)nc21
[b] Cc1cccc(C(=O)NCC(=O)N2CCCC2)c1
Answer: a. Cn1nc(N)c2c(-c3ccc(Cl)cc3)c(C#N)c(N)nc21
{#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#}
Cn1nc(N)c2c(-c3ccc(Cl)cc3)c(C#N)c(N)nc21
Cn1nc(N)c2c(-c3ccc(Cl)cc3)c(C#N)c(N)nc21
3,6-diamino-4-(4-chlorophenyl)-1-methylpyrazolo[3,4-b]pyridine-5-carbonitrile