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": ""}
 M. Sewell  tTM;    euphorbiaceae P*E   /= potaro-siparvni  MATOURENSIS U]%G   j T. W. Henkel  ** z Guyana   zA AUBL.    5504 a   y+ R, 1994-07-09 Tre3 7 m; tepals green with brownish silver vestiture; styles white .  CROTON MATOURENSIS ja      > 4.8    PAKARAIMA MTS; UPPER IRENG R WATERSHED; KAATNANG R. NEAR BASE OF MALAKWALAI-TIPU v=   
{"catalogNumber": "", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton matourensis", "scientificNameAuthorship": "Aubl.", "genus": "", "subgenus": "", "specificEpithet": "matourensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. Sewell", "recordedBy": "T. W. Henkel", "recordNumber": "5504", "verbatimEventDate": "1994-07-09", "habitat": "", "occurrenceRemarks": "Tree 7 m; tepals green with brownish silver vestiture; styles white", "associatedTaxa": "", "country": "Guyana", "stateProvince": "Potaro-Siparuni", "county": "", "municipality": "", "locality": "Pakaraima Mts; Upper Ireng R watershed; Kaatnang R. near base of Malakwalai-Tipu", "decimalLatitude": "4.8", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}