You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(1,1-dioxothiolan-3-yl)methyl]-3-ethyl-2-[(3-pentan-3-yl-1,2-oxazol-5-yl)methyl]guanidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H30N4O3S
assistant