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 2 19618  sandy longlead pine flatwoods over marl-limestone. no marl/limestone exposed dBJE   stillingia sylvatica 5o%0a     wBO   UNITED STATES   1 Stillingia 1988-06-16 Sx   FRANCIS MARION NATBIONAL FOREST, VICINITY OF BLUE SPRINGS, N OF ECHAW CREEK 5vx      // l. MALPIGHIALES $PkNe    6 steven r. hill    euphorbiaceae 9:mow    
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Stillingia sylvatica", "scientificNameAuthorship": "L.", "genus": "Stillingia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Steven R. Hill", "recordNumber": "19618", "verbatimEventDate": "1988-06-16", "habitat": "Sandy longlead pine flatwoods over marl-limestone. No marl/limestone exposed", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Francis Marion National Forest, vicinity of Blue Springs, N of Echaw Creek", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}