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": ""}
     uSXE 2003-05-13 United States l3Z,2         /[$ atropurpureus  4 CELASTRACEAE    i ypP rich, moist riverbottom hardwoods jus above bank of river, dominated by acer saccharum.  "scarce, a single small patch of shrubs to ca. 1.5 m tall, heavily deer browsed and none fertile." UE         
{"catalogNumber": "", "order": "", "family": "Celastraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "atropurpureus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "2003-05-13", "habitat": "Rich, moist riverbottom hardwoods just above bank of river, dominated by Acer saccharum.", "occurrenceRemarks": "\"Scarce, a single small patch of shrubs to ca. 1.5 m tall, heavily deer browsed and none fertile.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}