Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
ESSEX 8   /C 1685  Q_ PHOTO   eOM point pelee na7ional park     1913 S n     Opuntia cespitosa     k>| CESPITOSA  6O  Canada     =0fn 1644281  +EZ CARYOPHYLLALES      
{"catalogNumber": "1644281", "order": "Caryophyllales", "family": "", "scientificName": "Opuntia cespitosa", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "cespitosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1685", "verbatimEventDate": "1913", "habitat": "", "occurrenceRemarks": "Photo", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Essex", "municipality": "", "locality": "Point Pelee National Park", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}