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": ""}
  b= croon reflexifolius rogers mcvaugh JK     m7 12486  Kunth D< Q   1943-09-25 6    malpighiales e   fXg  mexico    z%n REFLEXIEOLIUS EUPHORBIACEAE L$U    M6 1286429   2=`: CROTON   C.L. LUNDELL & AMELIA A. LUNDELL yX^:    ?47t Shrub, or small t ree, up to 15 ft. high  C no data TAMAULIPAS !h  
{"catalogNumber": "1286429", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton reflexifolius", "scientificNameAuthorship": "Kunth", "genus": "Croton", "subgenus": "", "specificEpithet": "reflexifolius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Rogers McVaugh", "recordedBy": "C.L. Lundell & Amelia A. Lundell", "recordNumber": "12486", "verbatimEventDate": "1943-09-25", "habitat": "", "occurrenceRemarks": "Shrub, or small tree, up to 15 ft. high", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Tamaulipas", "county": "no data", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}