You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (5R,10bS)-7-ethoxy-5-(4-ethoxyphenyl)-2-thiophen-2-yl-5,10b-dihydro-1H-pyrazolo[1,5-c][1,3]benzoxazine by IUPAC nomenclature, provide its molecular formula.
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C24H24N2O3S
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