You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule spiro[3.4]octan-2-yl (2S)-2-[[(4-tert-butylphenoxy)-(4-nitrophenoxy)phosphanyl]amino]propanoate into molecular formula.
user
C27H35N2O6P
assistant