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": ""}
  kr  CAAGUAZÃº  OQQio J.E. Estigarribia (=Pastoreo)   [  CROTON      v3. -55.8019444444   bai|l. nhR    P O 44126    1557455 /ZW>4     CROTON SERRATIFOLIUS Q/b    Paraguay    serratifolius ! 
{"catalogNumber": "1557455", "order": "", "family": "", "scientificName": "Croton serratifolius", "scientificNameAuthorship": "Baill.", "genus": "Croton", "subgenus": "", "specificEpithet": "serratifolius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "44126", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Paraguay", "stateProvince": "Caaguaz\u00c3\u00ba", "county": "", "municipality": "", "locality": "J.E. Estigarribia (=Pastoreo)", "decimalLatitude": "", "decimalLongitude": "-55.8019444444", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}