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": ""}
RENSSELAER 4  [IN PACKET N SHEET WITH IMAGE: ADDITIONAL APPARENTLY DUPLICATE COLLECTION FRO&M UNBOUND PAGES OF HOUGHTON BOOK MARKED EXCHANGE.] Xy    RYb Dichanthelium dichotomum (L.) GOULD         xf Troy [Coordinates are for Prospect Park.] United States X` w  Anton A. Reznicek e)R!r    $iu 42.745  w Poales   NEW YORK ?q-B@  189-07 B   1480124 Qo>s    POACEAE RM   I H/ DICHOTOMUM Douglass Houghton    Dichanthelium  sm4A   0uk -73.E6857
{"catalogNumber": "1480124", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium dichotomum", "scientificNameAuthorship": "(L.) Gould", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "dichotomum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Douglass Houghton", "recordNumber": "", "verbatimEventDate": "1829-07", "habitat": "", "occurrenceRemarks": "[In packet on sheet with image: Additional apparently duplicate collection from unbound pages of Houghton book marked exchange.]", "associatedTaxa": "", "country": "United States", "stateProvince": "New York", "county": "Rensselaer", "municipality": "", "locality": "Troy [Coordinates are for Prospect Park.]", "decimalLatitude": "42.7245", "decimalLongitude": "-73.6857", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}