You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (3R,6S,9S,13S)-3-[(2S)-butan-2-yl]-13-[(2S)-hexan-2-yl]-6-methyl-9-(naphthalen-2-ylmethyl)-1-oxa-4,7,10-triazacyclotridecane-2,5,8,11-tetrone is given. What is its corresponding molecular formula?
user
C31H43N3O5
assistant