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": ""}
      0R bV gregorio t. velasuez  r 298  + 1940-01-03  !o POACEAE  Salisb. ky2    C<I ischaemum rugosum  8  b PHILIPPINEjS   national capital +`N        = singalong manila      o ischaemum 1712193 K(h 
{"catalogNumber": "1712193", "order": "", "family": "Poaceae", "scientificName": "Ischaemum rugosum", "scientificNameAuthorship": "Salisb.", "genus": "Ischaemum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Gregorio T. Velasquez", "recordNumber": "298", "verbatimEventDate": "1940-01-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Philippines", "stateProvince": "National Capital", "county": "Manila", "municipality": "", "locality": "Singalong", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}