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": ""}
CERATOPHYLLUM H&     W Podostemum ceratophyllum  8 MICHX.  -/T w G. THOMAS PHILBRICK  united states j S    d/=  OCONEE  3L+ MALPIGHIALES 18756 m   Pz 1 steven r. hill  ] frequent blackish to green perennial fijrmly attached to boulders, in rapids 1987-08-30 K  podostemaceae U1      podostemum     P 1556334    A)Y  FLOWERS BROWN, JUST ABOVE WATERLINE   M south carolina  Chattooga River at Rte. 76, at Georgia State line mB%// 
{"catalogNumber": "1556334", "order": "Malpighiales", "family": "Podostemaceae", "scientificName": "Podostemum ceratophyllum", "scientificNameAuthorship": "Michx.", "genus": "Podostemum", "subgenus": "", "specificEpithet": "ceratophyllum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "C. Thomas Philbrick", "recordedBy": "Steven R. Hill", "recordNumber": "18756", "verbatimEventDate": "1987-08-30", "habitat": "Frequent blackish to green perennial firmly attached to boulders, in rapids", "occurrenceRemarks": "Flowers brown, just above waterline", "associatedTaxa": "", "country": "United States", "stateProvince": "South Carolina", "county": "Oconee", "municipality": "", "locality": "Chattooga River at Rte. 76, at Georgia State line", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}