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": ""}
 2207 ,-   charles d. richards 9] -  1949-06-27 !i  michigan ,~W#      47.446571 A   ,E serpyllifolia  / Caryophyllales    ARENARIA SERPYLLIFOL<IA Cr     O>7[ arenaria    ]M 1303873  ? 6 keweenaw   sC -87.797889  &lkt Rocky, exposed ridge.
{"catalogNumber": "1303873", "order": "Caryophyllales", "family": "", "scientificName": "Arenaria serpyllifolia", "scientificNameAuthorship": "", "genus": "Arenaria", "subgenus": "", "specificEpithet": "serpyllifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "2207", "verbatimEventDate": "1949-06-27", "habitat": "Rocky, exposed ridge.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "", "decimalLatitude": "47.446571", "decimalLongitude": "-87.797889", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}