You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-(10-methoxy-6H-pyrido[2,3-b][1,4]benzoxazepin-5-yl)-N-(2-phenylpropyl)thiophene-2-carboxamide into its molecular formula.
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C27H25N3O3S
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