You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 2-[5-[(2-morpholin-4-ium-4-yl-4-oxo-1,3-thiazol-5-ylidene)methyl]furan-2-yl]benzoate ?
user
C19H16N2O5S
assistant