set j_msg "add_buffer -inverter_pair -new_cell_names CLKTRAN0930 { "

foreach_in_collection j_obj [get_flat_pins -filter "direction == in" -of [get_nets -of [get_pins -filter "name == Z" -of [get_selection ] ] ] ] {
	set j_x [lindex [lindex [get_attr $j_obj bbox ] 0 ] 0 ]
	set j_y [lindex [lindex [get_attr $j_obj bbox ] 0 ] 1 ]
	if { $j_y > 4435 } {
		append j_msg " [get_object_name $j_obj] "
	}
}

append j_msg "} C8T28SOIDV_LL_CNIVX55_P0"

puts $j_msg