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": ""}
g bGZx -73.6857  mo6 H Michx.    ay.M0 REMSSELAER 42.7245 R/`#T    new Nyork %=TW    - 1830-04    V)0X 1559654  rAvSN DOUGLdASS HOUGHTON GRADIDENTATA ;!bS!   )*UK Salicaceae   Y Malpighiales  p >x3 populus   TROY [COORDINATES ARE FOR PROSPECT PARK.]  sq_    Y THE INK LABEL IS IN THE HAND OF BELA HUBBARD, HO/UGHTON'4S ASSISTAT. HUBBARD DID NOT BECOME HOGHTON'S ASSISTANT UNTIL 1837, SO THIS LABEL WAS WRITTEN WELL AFTER THE COLLECTION WAS MADE. UNITED STATES S 0  S.N. P  
{"catalogNumber": "1559654", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "", "scientificNameAuthorship": "Michx.", "genus": "Populus", "subgenus": "", "specificEpithet": "grandidentata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "s.n.", "verbatimEventDate": "1830-04", "habitat": "", "occurrenceRemarks": "The ink label is in the hand of Bela Hubbard, Houghton's assistant. Hubbard did not become Houghton's assistant until 1837, so this label was written well after the collection was made.", "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": ""}