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": ""}
     h AVENA SATIVA    4Bu l.     Wi Ynfou  no data provided on label ofcatalog no: 1703771 #/kaE  1703771 70c9   %j;/ 1928-02-02 avena1Y#O   `:I*b GUANGDONG  !i7 : Y. K. Wang  Vb?K Poales    6to06 CHINA    
{"catalogNumber": "1703771", "order": "Poales", "family": "", "scientificName": "Avena sativa", "scientificNameAuthorship": "L.", "genus": "Avena", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Y. K. Wang", "recordNumber": "", "verbatimEventDate": "1928-02-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "China", "stateProvince": "Guangdong", "county": "Yunfou", "municipality": "", "locality": "no data provided on label of catalog no: 1703771", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}