You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name ethyl (E,4S)-7-amino-4-[[(2S)-2-[3-[(5-methyl-1,2-oxazole-3-carbonyl)amino]-2-oxopyridin-1-yl]butanoyl]amino]-7-oxohept-2-enoate into its molecular formula.
user
C23H29N5O7
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