You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(2S)-5-chloro-7-(1,5-naphthyridin-4-yl)-2,3-dihydro-1-benzofuran-2-yl]-piperazin-1-ylmethanone;[(2R)-5-chloro-7-(1,5-naphthyridin-4-yl)-2,3-dihydro-1-benzofuran-2-yl]-piperazin-1-ylmethanone by IUPAC nomenclature, provide its molecular formula.
user
C42H38Cl2N8O4
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