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 N-(2-chloroethyl)-2-[4-[(3R,4R)-4-[4-[2-(2-chloroethylamino)-2-oxoethoxy]phenyl]hexan-3-yl]phenoxy]acetamide ?
user
C26H34Cl2N2O4
assistant