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": ""}
1311584 <u:    Michigan rL  1918-07-04  k!           UNITED STATES x9    (D9 Oakland DICHANTHELIUM PRAECOCIUS 5gPF      eg praecocius  POACEAE CN0u     s.n. o|+   wrp/ CECIL BILLINGTON  (Hitchc. & Chase) Mohlenbr. yV    Ji5 dichanthelium
{"catalogNumber": "1311584", "order": "", "family": "Poaceae", "scientificName": "Dichanthelium praecocius", "scientificNameAuthorship": "(Hitchc. & Chase) Mohlenbr.", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "praecocius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cecil Billington", "recordNumber": "s.n.", "verbatimEventDate": "1918-07-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Oakland", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}