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 identified by 2-[(2-methylpropan-2-yl)oxy]ethyl 2,2-dioxo-3,4-dihydropyrido[2,1-c][1,2,4]thiadiazine-7-carboxylate ?
user
C14H20N2O5S
assistant