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-(2,3-dimethylphenyl)-2-[(2R)-4-oxo-2-(3,4,5-trimethoxyphenyl)-2,3-dihydro-1,5-benzothiazepin-5-yl]acetamide using the IUPAC nomenclature.
user
C28H30N2O5S
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