You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[N-ethyl-N'-[3-(furan-2-ylmethoxy)propyl]carbamimidoyl]amino]-N,N-dimethylpropanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H28N4O3
assistant