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": ""}
    contact um herbarium   V~L MARYLAND caryophyllales KR R_      8r~ 1897-04-18      h&9< Montgomery  1565173 C5Q     s.n. :AJ#r   caryophyllaceae gn    |O. raf.     us velutinum adrian j. pieters 4  
{"catalogNumber": "1565173", "order": "Caryophyllales", "family": "Caryophyllaceae", "scientificName": "", "scientificNameAuthorship": "Raf.", "genus": "", "subgenus": "", "specificEpithet": "velutinum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Adrian J. Pieters", "recordNumber": "s.n.", "verbatimEventDate": "1897-04-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Maryland", "county": "Montgomery", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}