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": ""}
  u!s MALPIGHIALES   Mu arboreus  = w5 IN LOW FOREST   e? elias contreras   euphorbiaceae :b  Millsp. ao    b$ CROTON ARBOREUS       LL( Peten 1970-02-11 -    FL =p SAN ANDRES, PETEN ROAD   =$t 9656    SHRUB, 15 FT.HIGH, 2 IN. DIAM., FLOWERS YELLOW-GREE N;+i   CROTON SI11  
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton arboreus", "scientificNameAuthorship": "Millsp.", "genus": "Croton", "subgenus": "", "specificEpithet": "arboreus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Elias Contreras", "recordNumber": "9656", "verbatimEventDate": "1970-02-11", "habitat": "in low forest", "occurrenceRemarks": "Shrub, 15 ft. high, 2 in. diam., flowers yellow-green", "associatedTaxa": "", "country": "", "stateProvince": "Peten", "county": "", "municipality": "", "locality": "San Andres, Peten Road", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}