You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-chloro-5-[[5-[[3-ethoxy-4-(naphthalen-1-ylmethoxy)phenyl]methylidene]-4-oxo-1,3-thiazolidin-2-ylidene]amino]benzoic acid .
user
C30H23ClN2O5S
assistant