You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[2-[[2-[[4-[3-(carboxymethylamino)-2-[carboxymethyl-[2-[2-(carboxymethylamino)ethyl-ethylamino]ethyl]amino]propyl]benzoyl]amino]-3-phenylpropanoyl]amino]acetyl]amino]-6-(2,5-dioxopyrrol-1-yl)hexanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C43H58N8O13
assistant