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": ""}
   %rt (l.) hallier f. 610 S_VA   Tura, Garo Hills <x@    Meghalaya |4   5 In thicket  CONVOLVULACEAE J #1     H] thakur rup chand  uR umbellata Solanales 9?   >m3 west garo hills   qR 2945  wLQi% MERREMIA UMBELLATA 1521800 4v4  india Tp>q#  MEREMIA 6lzB   1950-03-23 #3o!   
{"catalogNumber": "1521800", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Merremia umbellata", "scientificNameAuthorship": "(L.) Hallier f.", "genus": "Merremia", "subgenus": "", "specificEpithet": "umbellata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "2945", "verbatimEventDate": "1950-03-23", "habitat": "In thicket", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "West Garo Hills", "municipality": "", "locality": "Tura, Garo Hills", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}