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": ""}
     GPdp 1515781         FRAXINUS EXCELSIOR Yk7o  France k3?     6RPM 51610  a$o   OrFc  1890-04     Oleaceae Lcb?K  BOIS DE ST. CLOUD ]   
{"catalogNumber": "1515781", "order": "", "family": "Oleaceae", "scientificName": "Fraxinus excelsior", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1890-04", "habitat": "", "occurrenceRemarks": "GRPM 51610", "associatedTaxa": "", "country": "France", "stateProvince": "", "county": "", "municipality": "", "locality": "Bois de St. Cloud", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}