You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule ethyl 3-[2-[[7-chloro-5-(2,3-dimethoxyphenyl)-2-oxo-1,5-dihydro-4,1-benzoxazepin-3-yl]methyl]-4-methyl-1,3-oxazol-5-yl]propanoate .
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C27H29ClN2O7
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