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": ""}
   rk c  1935-07-26   EHYU Mimaropa      between culion and the "negative barrio", culion island, calamian group   yq     /73 1710581    Philippines j#:P  SCHIZOSTACHYUM _v           jd+ 15520
{"catalogNumber": "1710581", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Schizostachyum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "15520", "verbatimEventDate": "1935-07-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Philippines", "stateProvince": "Mimaropa", "county": "", "municipality": "", "locality": "Between Culion and the \"Negative Barrio\", Culion Island, Calamian Group", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}