You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 1-(2-cycloheptyloxyethyl)-3-ethyl-2-[2-(methanesulfonamido)-2-methylpropyl]guanidine is given. What is its corresponding molecular formula?
user
C17H36N4O3S
assistant