You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(10S,14S)-25-methoxy-18-(2-methoxyethyl)-12-(5-methoxyfuran-2-carbonyl)-2,9-dioxa-12,15,18-triazatetracyclo[20.3.1.13,7.010,14]heptacosa-1(25),3,5,7(27),22(26),23-hexaene-16,19-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C32H37N3O9
assistant