You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named [4-[[2-[[(2S)-2-[[(4S)-4-amino-4-carboxybutanoyl]amino]propanoyl]amino]acetyl]amino]phenyl]-hydroxy-oxoazanium is given. What is its corresponding molecular formula?
user
C16H22N5O7+
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