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": ""}
   Ficus heDterophylla var. assamica  O2y   25045 z^s   Y;$# heterophylla Phulbari  3n4/   Moraceae y    7 Walter N. Koelz var. Jk   ]1A1 (MIQ.) CORNER EX CHAT3R  w ficus  V] Meghalaya   INDIA q iD/  West Garo Hills 2 zH     Y assamica  SK+ ALONG STREAM   1950-04-10 /  
{"catalogNumber": "", "order": "", "family": "Moraceae", "scientificName": "Ficus heterophylla var. assamica", "scientificNameAuthorship": "(Miq.) Corner ex Chater", "genus": "Ficus", "subgenus": "", "specificEpithet": "heterophylla", "verbatimTaxonRank": "var.", "infraspecificEpithet": "assamica", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "25045", "verbatimEventDate": "1950-04-10", "habitat": "Along stream", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "West Garo Hills", "municipality": "", "locality": "Phulbari", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}