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": ""}
uni7ed states $.    rS  l.  s <as 1891-05   SHERARDIA ARVENSIS  8h %        Sherardia o       1536663  i   ;WJe California  j3~ z GRPM 5z1005 rubiaceae &(vDR   :bp0 ARVENSIS Berkeley        qL 0^ Michener & Bioltti
{"catalogNumber": "1536663", "order": "", "family": "Rubiaceae", "scientificName": "Sherardia arvensis", "scientificNameAuthorship": "L.", "genus": "Sherardia", "subgenus": "", "specificEpithet": "arvensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michener & Bioletti", "recordNumber": "", "verbatimEventDate": "1891-05", "habitat": "", "occurrenceRemarks": "GRPM 51005", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "", "municipality": "", "locality": "Berkeley", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}