You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named tert-butyl N-[2-[[N-(2-tert-butylsulfinylethyl)-N'-methylcarbamimidoyl]amino]hexyl]carbamate by IUPAC nomenclature, provide its molecular formula.
user
C19H40N4O3S
assistant