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": ""}
1703892 :    Bambusa( m   GUANGDONG [      Y.W. Taam E     <00o& no data  1938-01-08  T3*     6 POACEAE   CHINA  G8-   t_ no data kprovided on label of catalo|g no: 1703892     v BAMBUSA  SF schre. 
{"catalogNumber": "1703892", "order": "", "family": "Poaceae", "scientificName": "Bambusa", "scientificNameAuthorship": "Schreb.", "genus": "Bambusa", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Y.W. Taam", "recordNumber": "", "verbatimEventDate": "1938-01-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "China", "stateProvince": "Guangdong", "county": "no data", "municipality": "", "locality": "no data provided on label of catalog no: 1703892", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}