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": ""}
1973-01-25 yV4   FICUS PERTUSA h    @oE 8  john d. shepherd ,    ^d 1266959   oj PERTUSA    `  ficus   mexico jR  moraceae K-    contact um herbarium :aL|Z     Rosales K=kuJ     
{"catalogNumber": "1266959", "order": "Rosales", "family": "Moraceae", "scientificName": "Ficus pertusa", "scientificNameAuthorship": "", "genus": "Ficus", "subgenus": "", "specificEpithet": "pertusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John D. Shepherd", "recordNumber": "8", "verbatimEventDate": "1973-01-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}