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": ""}
2000-07-15 ,1G    4818 1     Lenawee =    6 CARYOPHYLLALES   Z s. of marsh rd., w. of sand lake, cambridge wp. t5sr2es13, nw qtr of nw qtr  @  Droseraceae  -84.15028 XHr     rotundifolia z<     g.  Drosera  42.04089 a  drosera rotundifolia +F^T   !G 5V michigan 
{"catalogNumber": "", "order": "Caryophyllales", "family": "Droseraceae", "scientificName": "Drosera rotundifolia", "scientificNameAuthorship": "", "genus": "Drosera", "subgenus": "", "specificEpithet": "rotundifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4818", "verbatimEventDate": "2000-07-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "s. of Marsh Rd., w. of Sand Lake, Cambridge Twp. T5SR2ES13, nw qtr of nw qtr", "decimalLatitude": "42.04089", "decimalLongitude": "-84.15028", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}