You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4,4-ditert-butyl-N-phenylspiro[1,3-dioxa-4-phosphonia-2-boranuidacyclopentane-2,8'-7,9-dioxa-8-boranuidabicyclo[4.3.0]nona-1,3,5-triene]-5-imine into molecular formula.
user
C42H54B2N2O8P2
assistant