You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1S,9R,10S,11R)-3,5,14-trimethyl-9-(4-methylphenyl)-10-phenyl-8-oxa-13,15-diazatetracyclo[7.6.0.01,12.02,7]pentadeca-2,4,6,13-tetraene-11-carbaldehyde by IUPAC nomenclature, provide its molecular formula.
user
C29H28N2O2
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