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": ""}
  13393     cedar-fir woodLs near shore UM w   Marshall  UD=[      acer saccharum &+    united states Q^6<  summer island whSP      eB/3 OCCASIONAL; [BLADES PUBESCENT BENEATH BUT OTHERWISE GOOD SACCHARUM] ACER MwS   SAPINDACEAE H^9<U  DELTA J    Jh&s anton a. reznicek  AJs  saccharum 
{"catalogNumber": "", "order": "", "family": "Sapindaceae", "scientificName": "Acer saccharum", "scientificNameAuthorship": "Marshall", "genus": "Acer", "subgenus": "", "specificEpithet": "saccharum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "13393", "verbatimEventDate": "", "habitat": "cedar-fir woods near shore", "occurrenceRemarks": "occasional; [blades pubescent beneath but otherwise good saccharum]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Delta", "municipality": "", "locality": "Summer Island", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}