You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(16S)-10,14-dioxo-1'-[2-(2-oxo-1,3-oxazolidin-3-yl)acetyl]spiro[2-oxa-11,15-diazatricyclo[16.2.2.13,7]tricosa-1(20),3,5,7(23),18,21-hexaene-9,4'-piperidine]-16-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H34N4O8
assistant