You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[[2-[[6-amino-2-[(2,5-diamino-5-oxopentanoyl)amino]hexanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-phenylpropanoic acid into molecular formula.
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C26H43N9O6
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