You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-[4-(3-naphthalen-1-ylphenyl)-8H-pyrido[1,2-c]pyrimidin-1-yl]benzo[c]carbazole;propane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C43H35N3
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