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": ""}
  1_v NUTT.  G|#x  Betulaceae  w& 510  california ge  1904-11-19 [ M  United States P    1436004 $ ~       rhombifolia *<     SAN MATEO  2     4D&2  FAGALES  O  alnus  w)h+= CHARLES P. SMITH  CONTxACT UM HERBARIUM T  
{"catalogNumber": "1436004", "order": "Fagales", "family": "Betulaceae", "scientificName": "", "scientificNameAuthorship": "Nutt.", "genus": "Alnus", "subgenus": "", "specificEpithet": "rhombifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles P. Smith", "recordNumber": "510", "verbatimEventDate": "1904-11-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "San Mateo", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}