You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 7-methyl-5-(3-methylphenyl)-3-(2-morpholin-4-yl-2-oxoethyl)-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H31N3O4S
assistant