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 2-[(Z)-[2-(2,4-dichlorophenyl)-5-oxo-1,3-oxazol-4-ylidene]methyl]-6-nitrophenolate .
user
C16H7Cl2N2O5-
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