You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[4-amino-1-[2-hydroxyethyl-[1-(2-hydroxyphenyl)-2-(2-methylanilino)-2-oxoethyl]amino]-1,4-dioxobutan-2-yl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H34N4O7
assistant