You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-[[7-amino-8-[(3-chlorophenyl)methyl]-5,6,7,8-tetrahydronaphthalen-2-yl]oxy]ethyl]-1-cyclopropylmethanesulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H29ClN2O3S
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