You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name methyl 3-[2-[[(3R,5S)-2-amino-7-chloro-1-(2,2-difluoroethanimidoyl)-5-(2,3-dimethoxyphenyl)-3,5-dihydro-4,1-benzothiazepin-1-ium-3-yl]methyl]-1,3-thiazol-5-yl]propanoate into its molecular formula.
user
C27H28ClF2N4O4S2+
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