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": ""}
 @  rafflesiana  1719465 A   TOBA 4?    Boott CN>#L       )cG VICINITY OF LOEMBAN LOBOE, TOBA (NEAR KILOMETER 142, ROAD FROM PORSEA TO PARAPAT: TOPOGRPHIC SHEET 29, WEST CENTER)              
{"catalogNumber": "1719465", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Boott", "genus": "", "subgenus": "", "specificEpithet": "rafflesiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Toba", "municipality": "", "locality": "Vicinity of Loemban Loboe, Toba (near Kilometer 142, road from Porsea to Parapat: Topographic Sheet 29, west center)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}