You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4R)-1'-[(2R)-2-hydroxy-2-(5,6,7,8-tetrahydronaphthalen-2-yl)ethyl]-6-methoxyspiro[3,4-dihydrochromene-2,4'-piperidine]-4-ol .
user
C26H33NO4
assistant