This is what I have been using.
Code:
public client_infochanged(id)
{
get_user_name(id,g_name,charsmax (g_name))
if ( (is_user_connected(id)) && (is_user_bot(id)) && (containi(g_name,"(1)") > -1) )
server_cmd("amx_kick (1)%s ^"bot_infochanged_badname^"",g_name);
}