You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [3-chloro-N-[2-(6-chloro-1,3,4,9-tetrahydropyrido[3,4-b]indol-2-yl)ethyl]anilino] formate .
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C20H19Cl2N3O2
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