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": ""}
      M @5 Mexico  Z_: fragrans  MYRCIANTHES FRAGRANS  0   (>Z CONTACT UM HERBARIUM   5005 GHxc   O+i 1890-08-07  [ Cyrus G. Pringle    myrtaceae ANd(    8O Myrcianthes   San Lui Potosi A      3W7 1 (sw.) mcvaugh 
{"catalogNumber": "", "order": "", "family": "Myrtaceae", "scientificName": "Myrcianthes fragrans", "scientificNameAuthorship": "(Sw.) McVaugh", "genus": "Myrcianthes", "subgenus": "", "specificEpithet": "fragrans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cyrus G. Pringle", "recordNumber": "5005", "verbatimEventDate": "1890-08-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "San Luis Potosi", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}