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": ""}
   JOHN V. FREUDENSTEIN  cx:_   ! OCCASIONAL ON SANDY DRY SOIL  1252911 2s     n97-84.01593    (L.) Scop.  V   z ASTERALES  Y hk 982   b 03 ARVENSE  = T24N R3E Sec 25 along edge f Green Lake, off Count~y 21. 1983-08-13 Xa +     ogemaw )3U    UNITED STATES 5t   
{"catalogNumber": "1252911", "order": "Asterales", "family": "", "scientificName": "", "scientificNameAuthorship": "(L.) Scop.", "genus": "", "subgenus": "", "specificEpithet": "arvense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "982", "verbatimEventDate": "1983-08-13", "habitat": "Occasional on sandy dry soil", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Ogemaw", "municipality": "", "locality": "T24N R3E Sec 25 along edge of Green Lake, off County 21.", "decimalLatitude": "", "decimalLongitude": "-84.01593", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}