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": ""}
   1303157 R     $U?O> malpighiales     united states AK   XMH pursh   MARYLAND       ):C!2 obtusata   kX w A. CHASE EUPHORBIACEAE y]  PRINCE GEORGE'S  842>   r dO  Euphorbia  EUPHORBIA OBTUSATA XvrEB     Label states "E of Riverdale MD". Locality is likely near E4st Riverdale, MD because the Anacostia River runs through this town which is in Prince George's County and not Rivendale which is in Anne Arundel County, MD.  t5 
{"catalogNumber": "1303157", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia obtusata", "scientificNameAuthorship": "Pursh", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "obtusata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Chase", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Label states \"E of Riverdale MD\". Locality is likely near East Riverdale, MD because the Anacostia River runs through this town which is in Prince George's County and not Rivendale which is in Anne Arundel County, MD.", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Prince George's", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}