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": ""}
     1999-04-07 5e     abundant shrub, 3 m. fls light green      1P.l MILLSP.    21.21667 @ $   Vx  1286532  f R. PALESTINA  malpighiales :ig?   j|+.Q paul e. berry        -?z@P CROTON ARBOREUS
{"catalogNumber": "1286532", "order": "Malpighiales", "family": "", "scientificName": "Croton arboreus", "scientificNameAuthorship": "Millsp.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Paul E. Berry", "recordedBy": "R. Palestina", "recordNumber": "", "verbatimEventDate": "1999-04-07", "habitat": "", "occurrenceRemarks": "Abundant shrub, 3 m. Fls light green", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "21.21667", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}