You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-ethyl-2-[2-hydroxy-2-(4-propan-2-yloxyphenyl)ethyl]-3-[2-(4-methoxyphenyl)ethyl]guanidine into its molecular formula.
user
C23H33N3O3
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