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": ""}
 Digitaria O:|E  1930-08-06 (  boaceae 3%g +   V dg?DE shandong   [  POALES     KCm CHINA   C. Y. CHIAO 5Mz <   3d along roadside  li chuan. tsingtao. 8 &E    w=4 2986  1 R3O (L.) Scop.  SANGUINALIS SR?iK   digitaria sanguinalis 0DV]  1705895 e   QINGDAO inb.: 
{"catalogNumber": "1705895", "order": "Poales", "family": "Poaceae", "scientificName": "Digitaria sanguinalis", "scientificNameAuthorship": "(L.) Scop.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "sanguinalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. Y. Chiao", "recordNumber": "2986", "verbatimEventDate": "1930-08-06", "habitat": "along roadside", "occurrenceRemarks": "", "associatedTaxa": "", "country": "China", "stateProvince": "Shandong", "county": "Qingdao", "municipality": "", "locality": "Li Chuan. Tsingtao.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}