You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (14S)-8-(3,4-dihydro-2H-pyran-6-yl)-12,12-dimethyl-2-thia-3,9,11,18,23-pentazatetracyclo[17.3.1.111,14.05,10]tetracosane .
user
C25H45N5OS
assistant