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": ""}
    poaceae g   & DIGITARIA SANGUINALIS  G: (L.) SCOP. POALES  H  18 ;|X^V   Yo&F MOIST, LEVEL LAND, SANDY SOIL, MEADOW, CULT. FIELD  0_ 1705850 HAINAM a4 C      1+mD DIGITARIA  1932-09-25 K  sanguinalis zH  LEI, C. I. eYr    Ur<A Mei Maan and vicinity  2 china   Ching Mai  ?Gg-   
{"catalogNumber": "1705850", "order": "Poales", "family": "Poaceae", "scientificName": "Digitaria sanguinalis", "scientificNameAuthorship": "(L.) Scop.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "sanguinalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lei, C. I.", "recordNumber": "18", "verbatimEventDate": "1932-09-25", "habitat": "moist, level land, sandy soil, meadow, cult. field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "China", "stateProvince": "Hainan", "county": "Ching Mai", "municipality": "", "locality": "Mei Maan and vicinity", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}