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": ""}
43.95583 Y    l6 salix exigua  malpighiales 9U   5fcVJ OPEN SANDY BEACH.    DpW!o mason   = NUTT.   p?$ louis h. jordal  "typical. low shrub (2-4')." 2*z    v Ludington.   1318021 5 ~    O=T SALICACEAE UNITED STATES th1   salix   l   4 1 -86.452583 MICHIGAN f9J   exigua  1   X 3305
{"catalogNumber": "1318021", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix exigua", "scientificNameAuthorship": "Nutt.", "genus": "Salix", "subgenus": "", "specificEpithet": "exigua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Louis H. Jordal", "recordNumber": "3305", "verbatimEventDate": "", "habitat": "Open sandy beach.", "occurrenceRemarks": "\"Typical. Low shrub (2-4').\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mason", "municipality": "", "locality": "Ludington.", "decimalLatitude": "43.955283", "decimalLongitude": "-86.452583", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}