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": ""}
 RUIZ & PAV. XL6nS        <U AMAZONAS    4557 J        PAUL C. HUTCHISON, DAVID E. BENNETT  j 1964-03-26  2400 9:t.         cerros calla calla, e4st side, 5 km above leimebamba, on the road to balsas, at sa miguel (no buildings at this locality) wf 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Ruiz & Pav.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Paul C. Hutchison, David E. Bennett", "recordNumber": "4557", "verbatimEventDate": "1964-03-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Amazonas", "county": "", "municipality": "", "locality": "Cerros Calla Calla, east side, 5 km above Leimebamba, on the road to Balsas, at San Miguel (no buildings at this locality)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2400", "maximumElevationInMeters": ""}