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": ""}
 1935-07-04 S   b u4 MONTALBAN   tiglium );    4r@M Croton  $:2 PHILIPPINES    i$0-O Rizal L. 1gZyb  Malpighiales 5/nL  1543011 sl    euphorbiaceae zSKO     Calabarzon 6AuQf    : h. h. bartlett croton tiglium ~SU   14298 nl/Tt 
{"catalogNumber": "1543011", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton tiglium", "scientificNameAuthorship": "L.", "genus": "Croton", "subgenus": "", "specificEpithet": "tiglium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. H. Bartlett", "recordNumber": "14298", "verbatimEventDate": "1935-07-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Philippines", "stateProvince": "Calabarzon", "county": "Rizal", "municipality": "", "locality": "Montalban", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}