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": ""}
SAPINDACEAE  S 9[   g+  -86.078  F. MICHX. dAgJ!     #%n d 42.6379444  a:$&t 2016-10-19  oO MICHIGAN  william s. martinus >3        .AC Sapindales nigrum n   IN SUCCESSIONAL MESIC SOUTHERN FOREST.  [i     mm pH Allegan  1513624 wjM  993 pwGBC    [] ACER NIGRUM   A RARE SMALL TREE.  
{"catalogNumber": "1513624", "order": "Sapindales", "family": "Sapindaceae", "scientificName": "Acer nigrum", "scientificNameAuthorship": "F. Michx.", "genus": "", "subgenus": "", "specificEpithet": "nigrum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William S. Martinus", "recordNumber": "993", "verbatimEventDate": "2016-10-19", "habitat": "In successional Mesic Southern Forest.", "occurrenceRemarks": "Rare small tree.", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Allegan", "municipality": "", "locality": "", "decimalLatitude": "42.6379444", "decimalLongitude": "-86.078", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}