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 2453  CUBA x  c. wright 1G    ;zX 1238420     __ Sw.) McVaugh    CONTACT UM HERBARIUM FsKE    Myrtales yEk   Myrcianthes >4rN^  MYRCIANTHES FRAGRANS ~%       myrtaceae Ap   Xa 1860 rogers mcvaugh [y=9@  FRAGRANS i 
{"catalogNumber": "1238420", "order": "Myrtales", "family": "Myrtaceae", "scientificName": "Myrcianthes fragrans", "scientificNameAuthorship": "(Sw.) McVaugh", "genus": "Myrcianthes", "subgenus": "", "specificEpithet": "fragrans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Rogers McVaugh", "recordedBy": "C. Wright", "recordNumber": "2453", "verbatimEventDate": "1860", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Cuba", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}