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": ""}
 agnes chase 6   `6l0 Amphicarpum amphicarpon 104539 b       12629 _    AMPHICARPUM %   2 POALES  H:TA 1940-10-13   (  5 miles W of Powellville sandy ditch bank Ito   q Maryland   &`< amphicarGpon  7 wicomico    Poaceae Rx6  (Pursh) Nash F ;h   8,~ united states 
{"catalogNumber": "1404539", "order": "Poales", "family": "Poaceae", "scientificName": "Amphicarpum amphicarpon", "scientificNameAuthorship": "(Pursh) Nash", "genus": "Amphicarpum", "subgenus": "", "specificEpithet": "amphicarpon", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Agnes Chase", "recordNumber": "12629", "verbatimEventDate": "1940-10-13", "habitat": "sandy ditch bank", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Wicomico", "municipality": "", "locality": "5 miles W of Powellville", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}