You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[1-[(2,4-dichlorophenyl)methyl]-1,2,4-triazol-3-yl]-5-[(4-nitrophenoxy)methyl]furan-2-carboxamide .
user
C21H15Cl2N5O5
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