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": ""}
STEVEN P. GRUND  k   1468090 m os  0.2 MI S OF TERRITORIAL RD, 0.4 MI E OF AUGUSTA-CLIMAX RD. T2S R9W SEC 11, SW1/4 SW1/4 k+Sv       wc Michigan   ~IT disturbed oak opening; small grove of willow & black cherry n oak opening. commo.   $i 1994-05-31  DD+ Prunus     -85.33248 t!         yx MAHALEB  
{"catalogNumber": "1468090", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Prunus", "subgenus": "", "specificEpithet": "mahaleb", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Steven P. Grund", "recordNumber": "", "verbatimEventDate": "1994-05-31", "habitat": "Disturbed oak opening; small grove of willow & black cherry in oak opening. Common.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "0.2 mi S of Territorial Rd, 0.4 mi E of Augusta-Climax Rd. T2S R9W sec 11, SW1/4 SW1/4", "decimalLatitude": "", "decimalLongitude": "-85.33248", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}