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": ""}
  5M 26.13 TREMULOIDES Z c    oocC Michigan  POPULUS TREMULOIDES <2  45.55279 n+6a     PELLSTON PLAIN RESEARCH SITE. v`  CLONE NO. 16, MALE, SAMPLE TREE 3. LEAVES FROM LONG SHOOTS ( 5 TO 18 IN.) OTzI   1559919 wu2       4B , United States  s6 1956-07-26       
{"catalogNumber": "1559919", "order": "", "family": "", "scientificName": "Populus tremuloides", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "tremuloides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "26.13", "verbatimEventDate": "1956-07-26", "habitat": "", "occurrenceRemarks": "Clone no. 16, male, sample tree 3. Leaves from long shoots ( 5 to 18 in.)", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Pellston Plain Research Site.", "decimalLatitude": "45.55279", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}