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": ""}
      + 1940-12-10  Vs_ poaceae  philippines  [  CENCHRUS BROWNII g4     poales  w     brownii  P=m  Sta Ana, Manila, LuzCon >     17-04688 L6X[   VIRGINIA C. LUCAS 4=    Luzon 7   7 ROE4M. & SCHULT.
{"catalogNumber": "1704688", "order": "Poales", "family": "Poaceae", "scientificName": "Cenchrus brownii", "scientificNameAuthorship": "Roem. & Schult.", "genus": "", "subgenus": "", "specificEpithet": "brownii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Virginia C. Lucas", "recordNumber": "", "verbatimEventDate": "1940-12-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Philippines", "stateProvince": "Luzon", "county": "", "municipality": "", "locality": "Sta Ana, Manila, Luzon", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}