You are facing towards the window. Turn around and take left. You will find an open door. Pass through it and take left. You will find a walkway crossing the portraits on your right side. Move forward and you will find an open door to the left. Enter through that door and go straight. There will be a portrait of an animal on your left side, move forward. At the corner, you will find an open door. Enter through that door and that will be your destination point just at the entrance of the washroom.