You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 3'-[[(5-bromothiophen-3-yl)methyl-methylamino]methyl]spiro[2,4-dihydro-1H-naphthalene-3,5'-imidazolidine]-2',4'-dione using the IUPAC nomenclature.
user
C19H20BrN3O2S
assistant