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": ""}
 rudbeckia :4  IN OPEN FIELD & ASPEN ZONE NEAR MT. 4AAK~  Michigan =E[ e    P 1906-08-03    mt. mesnard bANE    mM UNITED STATES    P iR hirta  m&[sU Marquette   f~! 46.b513268   asteraceae .9AP   V|d 3 RUDBECKIA HIRTA VAR. SEROTINA  ASTERA1ES #  -87.399584 =uYtG   1256349 POv*; 
{"catalogNumber": "1256349", "order": "Asterales", "family": "Asteraceae", "scientificName": "Rudbeckia hirta var. serotina", "scientificNameAuthorship": "", "genus": "Rudbeckia", "subgenus": "", "specificEpithet": "hirta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1906-08-03", "habitat": "In open field & Aspen zone near Mt.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Marquette", "municipality": "", "locality": "Mt. Mesnard", "decimalLatitude": "46.513268", "decimalLongitude": "-87.399584", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}