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": ""}
  tree 15m high, trunk circumference 49 cm, bark dark gra, smooth, and crown narrow; greenish-white flower VrDd   M| Minas Gerais R. Aiina  D   kQ Sd 5356   uo- piptocalyx in virgin fore5t nzq    XLsL malpighiales  howard s. irwin YMf)   1196952 i27  mã¼ll.arg. 8Q   Brazil aY Kg   +[E CROTON  y YY^ Rio Branco  road to s<ao geraldo; retiro de anton avelino #v1     y 1930-11-25   Vh&Ou CROTON PIPTOCkALYX
{"catalogNumber": "1196952", "order": "Malpighiales", "family": "", "scientificName": "Croton piptocalyx", "scientificNameAuthorship": "M\u00c3\u00bcll.Arg.", "genus": "Croton", "subgenus": "", "specificEpithet": "piptocalyx", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. Riina", "recordedBy": "Howard S. Irwin", "recordNumber": "5356", "verbatimEventDate": "1930-11-25", "habitat": "in virgin forest", "occurrenceRemarks": "tree 15m high, trunk circumference 49 cm, bark dark gray, smooth, and crown narrow; greenish-white flower", "associatedTaxa": "", "country": "Brazil", "stateProvince": "Minas Gerais", "county": "Rio Branco", "municipality": "", "locality": "road to Sao Geraldo; Retiro de Anton Avelino", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}