You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-[(3-bromophenyl)methyl-[2-(3-chlorophenoxy)acetyl]amino]-3-phenyl-N-propylpropanamide is given. What is its corresponding molecular formula?
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C27H28BrClN2O3
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