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": ""}
 1951-05-28 Li4<    > lobang marsh Dj  610  &AE    ASSAM mm#;   _dP% cachar   PERSICARIA    polygonaceae sg  PERSICARIA HYDROPIPER N67  Walter N. Koelz  BOj     ITD 1497563  ) 28104 hydropiper lvw=d     d& (L.) SPACH   Oz caryophylales  *5H@ india
{"catalogNumber": "1497563", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria hydropiper", "scientificNameAuthorship": "(L.) Spach", "genus": "Persicaria", "subgenus": "", "specificEpithet": "hydropiper", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "28104", "verbatimEventDate": "1951-05-28", "habitat": "Marsh", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Assam", "county": "Cachar", "municipality": "", "locality": "Lobang", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}