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": ""}
   1961-10-16 xx Xn    GUAJAVA p^        u+ 4811  d` Robert Merill King  Mexico j aa     = Contact UM Herbarium 1235790 V7h   michoacan 9>   jX Psidium  D`ja L.  mc  psidim guajava MQYRTACEAE TUsZ  
{"catalogNumber": "1235790", "order": "", "family": "Myrtaceae", "scientificName": "Psidium guajava", "scientificNameAuthorship": "L.", "genus": "Psidium", "subgenus": "", "specificEpithet": "guajava", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert Merill King", "recordNumber": "4811", "verbatimEventDate": "1961-10-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Michoacan", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}