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": ""}
   Urb.  -1J<    ]ZV Cuba  V euphorbiaceae     &6 leucocr oton   1644743 GUw  J. GUTERREZ, PAUL E. BERRY, BENJAMIN VAN EE AND BRETT JESTROW IR3K7       !|z] -75.695       Mj holgu|n  
{"catalogNumber": "1644743", "order": "", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "Urb.", "genus": "Leucocroton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. Gutierrez, Paul E. Berry, Benjamin Van Ee, and Brett Jestrow", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Cuba", "stateProvince": "Holguin", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-75.695", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}