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": ""}
1542550 $   TOLIAR 8^W9&   sf =: MADAGASCAR 46.8609333 n;7   451  BP   Croton       benjamin w. van ee, paul e. berry & hanta razafindrai8e o 5PA    ANOSY I_>3o    2015-07-28 w<V6  cro-ton nobilis ]i@4    Euphorbiaceae $`ax   h Baill.  B3.%` 209  
{"catalogNumber": "1542550", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton nobilis", "scientificNameAuthorship": "Baill.", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Benjamin W. van Ee, Paul E. Berry & Hanta Razafindraibe", "recordNumber": "", "verbatimEventDate": "2015-07-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Madagascar", "stateProvince": "Toliara", "county": "Anosy", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "46.8609333", "verbatimCoordinates": "", "minimumElevationInMeters": "209", "maximumElevationInMeters": "451"}