You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[1-(carboxymethyl)piperidin-4-yl]-[4-(4-methanehydrazonoylphenyl)-1,3-thiazol-2-yl]amino]propanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H25N5O4S
assistant