Try the below with the following names. You can name them whatever you want.
"A12" = "cllnm1"
"C11:G11" = "Rng1goto"
Sub Add_Line_1()
'
' Add_Line_1 Macro
'
ActiveSheet.Range("cllnm1").Select
Rows(ActiveCell.Row).Select
Selection.Copy
Selection.Insert Shift:=xlDown
Range("Rng1goto").Select
Application.CutCopyMode = False
Selection.ClearContents
End Sub