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 N-[[1-(dimethylamino)cyclopentyl]methyl]-2,2-dioxo-6-phenyl-3,4-dihydro-[1,3]thiazolo[2,3-c][1,2,4]thiadiazine-7-carboxamide ?
user
C20H26N4O3S2
assistant