You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[2-[[2-[[N'-[(3-aminophenyl)methyl]carbamimidoyl]amino]-1,3-thiazol-4-yl]methylsulfanyl]ethyl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H28N6O2S2
assistant