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": ""}
 "flowers blue." *EWi    o U  1516 L. S @     s MEDICAGO SATIVA    BRIAN T. HAZLETT qK-8   q3>[/ at border of lawn and driveway.  On 45.008695   MICHIGAN m$5i*  1346837 v!    I 1982-07-12   F South Manitou Island, Old Coast Guard Station. Medicago n*+    L g sativa  , FABALES  8CM united states 
{"catalogNumber": "1346837", "order": "Fabales", "family": "", "scientificName": "Medicago sativa", "scientificNameAuthorship": "L.", "genus": "Medicago", "subgenus": "", "specificEpithet": "sativa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Brian T. Hazlett", "recordNumber": "1516", "verbatimEventDate": "1982-07-12", "habitat": "At border of lawn and driveway.", "occurrenceRemarks": "\"Flowers blue.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "South Manitou Island, Old Coast Guard Station.", "decimalLatitude": "45.008695", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}