You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by (5S,10bR)-9-chloro-2-(4-ethoxyphenyl)-5-(3-methoxy-4-pentoxyphenyl)-5,10b-dihydro-1H-pyrazolo[1,5-c][1,3]benzoxazine ?
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C30H33ClN2O4
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