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": ""}
  ?E @l lake      kn n of s deer lake rd., e of e 48th st.       U Salix  15/59100  :      gI A.A. Reznic3k  AROUND MARGINS OF OPEN MARSH AND SHALLOW POND. ASSOCIATES: CORNUS SERICEA, EQUISETUM ARVENSE, PHALARIS ARUNDINACEAE, POPULUS DELTOIDES, RIBES AMERICANUM, ULMUS AMERICANA. YPa    RY discolor    2zS SCATTERED. MULTI-STEMMED, TO 6M. 
{"catalogNumber": "1559100", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Salix", "subgenus": "", "specificEpithet": "discolor", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A.A. Reznicek", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "Around margins of open marsh and shallow pond. Associates: Cornus sericea, Equisetum arvense, Phalaris arundinaceae, Populus deltoides, Ribes americanum, Ulmus americana.", "occurrenceRemarks": "Scattered. Multi-stemmed, to 6m.", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Lake", "municipality": "", "locality": "N of S Deer Lake Rd., E of E 48th St.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}