You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-methyl-3-[3,3,7,7-tetramethyl-8-[3-(methylamino)phenyl]-1,2,5,6-tetrahydro-s-indacen-4-yl]aniline;pyrrolidine-2-carbaldehyde The above is the IUPAC name of a molecule. Write its molecular formula.
user
C40H54N4O2
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