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": ""}
 21umK MINAS GERAIS     trail areponga to sao miguel; near palestina gi Solanales .A<    1930-05-12 z   Y$[ 4690  8 Ipomoea   whI YNÃ©S MEXÃ­A  c ipomoea hederifolia vicosa XUJgB       9 L. Brazil 0j   m88n hederifola  7ds CONVOLVULACEAE   
{"catalogNumber": "", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Ipomoea hederifolia", "scientificNameAuthorship": "L.", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "hederifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Yn\u00c3\u00a9s Mex\u00c3\u00ada", "recordNumber": "4690", "verbatimEventDate": "1930-05-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Brazil", "stateProvince": "Minas Gerais", "county": "Vicosa", "municipality": "", "locality": "Trail Areponga to Sao Miguel; near Palestina", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}