You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 3-amino-4-[[4-amino-1-[[1-[[1-carboxy-2-(1H-imidazol-5-yl)ethyl]amino]-3-methyl-1-oxobutan-2-yl]amino]-1,4-dioxobutan-2-yl]amino]-4-oxobutanoic acid ?
user
C19H29N7O8
assistant