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": ""}
1987-07-23 ($z     0n 2100  Toamasina `   48.46666  nPq^  baker *Y   v~.Mm 1542819     mZ PETER B. PHILLIPSON 18Â°53'S 048Â°28'E U     ,:- A. RADCLIFFE-SMITH   z croton 1000Y R8  alaotra-mangoro !<W    5 un nitidulus  y41? SHRUB TO 3 M. INFLORESCENCE WITH CONSPICUOUS SINGLE FEMALE FLOWER AT THE 8ASE, MALE FLOWERS DVELOPING LATER.    #gX -18.88333 
{"catalogNumber": "1542819", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Baker", "genus": "Croton", "subgenus": "", "specificEpithet": "nitidulus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A. Radcliffe-Smith", "recordedBy": "Peter B. Phillipson", "recordNumber": "2100", "verbatimEventDate": "1987-07-23", "habitat": "", "occurrenceRemarks": "Shrub to 3 m. Inflorescence with conspicuous single female flower at the base, male flowers developing later.", "associatedTaxa": "", "country": "", "stateProvince": "Toamasina", "county": "Alaotra-Mangoro", "municipality": "", "locality": "", "decimalLatitude": "-18.88333", "decimalLongitude": "48.46666", "verbatimCoordinates": "18\u00c2\u00b053'S 048\u00c2\u00b028'E", "minimumElevationInMeters": "1000", "maximumElevationInMeters": ""}