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": ""}
    15645 J?           AROUND DESICCATED SWALE AT BASE OF SAND DUNES ABOVE BEACH, WIH THUJA OCCIDENTALIS AND SCHIZACHYRIUM SCOPARIUM. ,+x-    2  SCHOOLCRAFT    rosaceae  ]$ ?      U DASIPHORA FRUTICOSA   X+N frequent. shrub, 0.3m tall; corolla yellow.
{"catalogNumber": "", "order": "", "family": "Rosaceae", "scientificName": "Dasiphora fruticosa", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "15645", "verbatimEventDate": "", "habitat": "Around desiccated swale at base of sand dunes above beach, with Thuja occidentalis and Schizachyrium scoparium.", "occurrenceRemarks": "Frequent. Shrub, 0.3m tall; corolla yellow.", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Schoolcraft", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}