You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [2-methoxy-3-(octadecylcarbamoyloxy)propyl] 4-(1,3-thiazol-3-ium-3-yl)butanoate;chloride into molecular formula.
user
C30H55ClN2O5S
assistant