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": ""}
Schreb.  Ac   Bambusa ],G       X  1930-04-04 MALAY PENINSULA QH<   < Singapore R.E. HOLTTUM 0<%     $  1703887  T poaceae   KhD,8 bambusa  mEr abundant o n ridge tops   <2(  no data F c9 _J no data provided on label of catalog no: 1703887   i` 23403       poales Z LL 
{"catalogNumber": "1703887", "order": "Poales", "family": "Poaceae", "scientificName": "Bambusa", "scientificNameAuthorship": "Schreb.", "genus": "Bambusa", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.E. Holttum", "recordNumber": "23403", "verbatimEventDate": "1930-04-04", "habitat": "Abundant on ridge tops", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Singapore", "stateProvince": "Malay Peninsula", "county": "no data", "municipality": "", "locality": "no data provided on label of catalog no: 1703887", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}