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": ""}
 [edwin s. george reserve] grid t-25. north gate house area. 7   9s "ASSOCIES: ERAGROSTIS CILIANENSIS, CHENOPODIUM ALBUM LEPIDIUM, ANTHEMIS COTULA, PLANTAGO LANCEOLATA, CENCHRUS PAUCIFLORUS." 42.45608 `,m  1517983 gnHoR    _R[ r crusgalli   POALES kz1  echnochloa wUJ   POACEAE qad2d   qx y 1941-08-02  cE livingston f.n. hamerstrom, jr. &%   ]AJ ECHINOCHLOA CRUSGALLI     | -84.00539 MICHIGAN #X   ^ Soil: Recently disturbed gravel.   d$(t UNITED STATES   
{"catalogNumber": "1517983", "order": "Poales", "family": "Poaceae", "scientificName": "Echinochloa crusgalli", "scientificNameAuthorship": "", "genus": "Echinochloa", "subgenus": "", "specificEpithet": "crusgalli", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F.N. Hamerstrom, Jr.", "recordNumber": "", "verbatimEventDate": "1941-08-02", "habitat": "Soil: Recently disturbed gravel.", "occurrenceRemarks": "\"Associes: Eragrostis cilianensis, Chenopodium album, Lepidium, Anthemis cotula, Plantago lanceolata, Cenchrus pauciflorus.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "[Edwin S. George Reserve] Grid T-25. North Gate House area.", "decimalLatitude": "42.45608", "decimalLongitude": "-84.00539", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}