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": ""}
1528 5  drakena       pV Moraceae  7 C.C. BERG    YQ< Dorstenia Vell. )     e Dorstenia drakena  hW6E 1973-05-27    j97GP 1266340   Oaxaca &    9Qv  MEXICO Contact UM Herbarium 9    BRUCE HANSEN g_kb  
{"catalogNumber": "1266340", "order": "", "family": "Moraceae", "scientificName": "Dorstenia drakena", "scientificNameAuthorship": "Vell.", "genus": "Dorstenia", "subgenus": "", "specificEpithet": "drakena", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "C.C. Berg", "recordedBy": "Bruce Hansen", "recordNumber": "1528", "verbatimEventDate": "1973-05-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}