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": ""}
  W GU4TEMALA    @ Contact UM Herbarium  z/X- MALPIGHIALES Astrocasia tremula  K<    1931-0Y4-07 f 9e           wDbK astrocasia 12528 <x   _ U 1157404   U # harley h. brtlett   k;S tremula  G. L. Webster & K. I. Miller (0  
{"catalogNumber": "1157404", "order": "Malpighiales", "family": "", "scientificName": "Astrocasia tremula", "scientificNameAuthorship": "", "genus": "Astrocasia", "subgenus": "", "specificEpithet": "tremula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "G. L. Webster & K. I. Miller", "recordedBy": "Harley H. Bartlett", "recordNumber": "12528", "verbatimEventDate": "1931-04-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Guatemala", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}