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 2-[2-methoxy-4-[(4,5,6,7-tetrahydro-1-benzothiophen-4-ylamino)methyl]phenoxy]ethanol using the IUPAC nomenclature.
user
C18H23NO3S
assistant