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": ""}
   1664793 o4q>,            18Â°59'17"S 048Â°25'44"E + CrF        b  Forest understory toamasina F    ) SHRUB; LEAVES GLABROUS; NUMERUS SMALL, STERILE INDIVIDUALS OF THE SAME SPECIES AND A SINGLE, LARGER INDIVIDUAL 3 M TALL, 3 CM DBH WITH A FEW STAMINATE FLOWERS. SAME SPECIES AS VAN EE 2219    [ CROTON MACROBUXUS
{"catalogNumber": "1664793", "order": "", "family": "", "scientificName": "Croton macrobuxus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "Forest understory", "occurrenceRemarks": "Shrub; leaves glabrous; numerous small, sterile individuals of the same species and a single, larger individual 3 m tall, 3 cm dbh with a few staminate flowers. Same species as Van Ee 2219", "associatedTaxa": "", "country": "", "stateProvince": "Toamasina", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "18\u00c2\u00b059'17\"S 048\u00c2\u00b025'44\"E", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}