You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-[[3-(imidazol-1-ylmethyl)-4-propan-2-yloxyphenyl]methylidenehydrazinylidene]-4-oxo-1,3-thiazolidin-5-yl]acetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H21N5O4S
assistant