You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[3-butyl-2-(4-carbamimidoylbenzoyl)imino-4-methyl-1,3-thiazole-5-carbonyl]amino]propanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H25N5O4S
assistant