Create array for telegram bot buttons

i want to create array for buttons. (send node.innertexts to buttons)

this is my first code for create array:

Dim nodes = doc.DocumentNode.SelectNodes("//div[@class='title']")

If nodes IsNot Nothing Then

For Each node In nodes



and this code for telegram buttons:

Dim categories = {(node.innertext1,node.innertext12,node.innertext13,etc)}

Dim buttons = categories.Select(Function(category) {New KeyboardButton(category)}).ToArray()

    Dim buttonsList As New Dictionary(Of String, String)()

    Dim ReplyMarkup = New ReplyKeyboardMarkup(buttons)

    Await botClient.SendTextMessageAsync(, "1", replyMarkup:=ReplyMarkup)

how can i do that? thanks.