modify the scene by replacing only the existing wall mounted lamp with a single hanging pendant lamp the new lamp must match the reference image and consist of exactly 3 small spherical bulbs arranged as one cohesive fixture the lamp should be suspended so that its highest point is positioned 12 cm below the ceiling keep everything else in the visualization exactly unchanged including room layout lighting materials camera angle proportions and all other objects do not modify or replace any other elements in the scene the result should be a clean modern pendant lamp with three small hanging spheres precisely matching the reference style and constraints