You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-(2-ethoxyanilino)-2-oxoethyl] (3S)-1-[(2-chlorobenzoyl)amino]-5-oxopyrrolidine-3-carboxylate into its molecular formula.
user
C22H22ClN3O6
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