You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-(3-methoxypropyl)-5-[(4-methylphenyl)methyl]-6-oxobenzo[b][1,4]benzothiazepine-3-carboxamide using the IUPAC nomenclature.
user
C26H26N2O3S
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