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": ""}
     k- ; PICHINCHA menthodorus  + 9n     sUte 2250 CROTON MENTHODORUS r!-    50+uh tambillo Ecuador d9     1544333 b2lMJ   mL:/$ shrub   ? Erik Asplund    z benth. EUPHORBIACEAE ;P   R. Riina 9    ?B 6537 
{"catalogNumber": "1544333", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton menthodorus", "scientificNameAuthorship": "Benth.", "genus": "", "subgenus": "", "specificEpithet": "menthodorus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. Riina", "recordedBy": "Erik Asplund", "recordNumber": "6537", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "shrub", "associatedTaxa": "", "country": "Ecuador", "stateProvince": "Pichincha", "county": "Tambillo", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2250", "maximumElevationInMeters": ""}