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": ""}
croton  b> 0    cerro cubilete RiW   E. PÃ©rez-Calix |      -101.3658333 rg3~    3UPHORBIACEAE Hf  Mexico Au   [ 20.9997222  pG 4545  V Croton morifolius var. sphaerocarpus  s Jk 2005-08-11 arbusto de hasta 2 m comãºn $  1661028 cn?   Silao (C]b  sphaerocarpus >q53   x # 20°59'59"n, 101â°21'57"w  var. E=QOW  
{"catalogNumber": "1661028", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton morifolius var. sphaerocarpus", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "sphaerocarpus", "identifiedBy": "", "recordedBy": "E. P\u00c3\u00a9rez-Calix", "recordNumber": "4545", "verbatimEventDate": "2005-08-11", "habitat": "", "occurrenceRemarks": "Arbusto de hasta 2 m com\u00c3\u00ban", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "Silao", "municipality": "", "locality": "Cerro Cubilete", "decimalLatitude": "20.9997222", "decimalLongitude": "-101.3658333", "verbatimCoordinates": "20\u00c2\u00b059'59\"N, 101\u00c2\u00b021'57\"W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}