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)-8-[[3-(2-hydroxyethoxy)phenyl]methyl]-1-methyl-2-oxo-1,8-diazaspiro[4.5]decane-4-carboxylic acid .
user
C19H26N2O5
assistant