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": ""}
 NA 1950-07-01   !V1 ACIDOCROTON   1 1157205    vz2t R. HOWARD & W. BRIGGS   Js 10 KMS. 5 OF SANTA CLAR4 urb. dA   Malpighiales Nr   _P:L oligostemon          1zaqk Acidocroton oligostemon  k Cuba  7s| 111   SERPENTINE SOIL IP? 
{"catalogNumber": "1157205", "order": "Malpighiales", "family": "", "scientificName": "Acidocroton oligostemon", "scientificNameAuthorship": "Urb.", "genus": "Acidocroton", "subgenus": "", "specificEpithet": "oligostemon", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Howard & W. Briggs", "recordNumber": "111", "verbatimEventDate": "1950-07-01", "habitat": "serpentine soil", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Cuba", "stateProvince": "", "county": "", "municipality": "", "locality": "10 kms. S of Santa Clara", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}