You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(1,3-benzodioxol-5-ylmethyl)-N-[(1S,9S,10S,15R,16R,17S)-4-(3-formylphenoxy)-15,16-bis(4-hydroxybutyl)-12-[(4-nitrophenyl)methoxyimino]-9-prop-2-enoxy-8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-2(7),3,5,13-tetraen-10-yl]cyclopropanecarboxamide by IUPAC nomenclature, provide its molecular formula.
user
C53H57N3O12
assistant