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": ""}
       MKSC STELLATUM  Dm maianthemum   R$c+x 45.199962 united  states [0A  John McGill N|3QV  CLEARED RODSIDE ON WEST SIDE OF US-23 NORTH IN FAIRLY DRY, ROCKY SOIL. fI/   1972-06-05 Op      L  30 michigan a9>    a#;wi MAIANTHEMUM STELLATUM   (l.) link v     gHn@ Aspar^agales
{"catalogNumber": "", "order": "Asparagales", "family": "", "scientificName": "Maianthemum stellatum", "scientificNameAuthorship": "(L.) Link", "genus": "Maianthemum", "subgenus": "", "specificEpithet": "stellatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John McGill", "recordNumber": "30", "verbatimEventDate": "1972-06-05", "habitat": "Cleared roadside on west side of US-23 North in fairly dry, rocky soil.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.199962", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}