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": ""}
 1957-06-28 z    melilotus T^t       xd# FABACEAE   #_ FABALES   4363  >>]N      :gb4 "FLS. YELLOW."   ^l Common by side o gravel road.       U (L.) LAM.  United States t1~2  
{"catalogNumber": "", "order": "Fabales", "family": "Fabaceae", "scientificName": "", "scientificNameAuthorship": "(L.) Lam.", "genus": "Melilotus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4363", "verbatimEventDate": "1957-06-28", "habitat": "Common by side of gravel road.", "occurrenceRemarks": "\"Fls. Yellow.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}