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": ""}
 VAR. 5y          4-7 congestus    4qv( JUNCACEAE  DZ0W JUNCUS BUFONIUS VAR. CONGESTUS    contact um herbarium ~  Wahlenb. OI i     bufonius 5)#xY  1447640 k   Juncus (P  
{"catalogNumber": "1447640", "order": "", "family": "Juncaceae", "scientificName": "Juncus bufonius var. congestus", "scientificNameAuthorship": "Wahlenb.", "genus": "Juncus", "subgenus": "", "specificEpithet": "bufonius", "verbatimTaxonRank": "var.", "infraspecificEpithet": "congestus", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}