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": ""}
    4O3.934559 on gravel shoulder. associates: amaranthus powelii, echinochloa muricata, eragrostis minor, panicum capillare, plantago lanceolata, setaria viridis, sporobolus vagiiflorus. ;M^    amaranthus )iq  AMARANTHUS ALBUS #P[    caryophyllales 41h  MICHIGAN E7S`   1559124 q.%  2017-09-13 HP   Scattered. e[]&            x< -85.562528 
{"catalogNumber": "1559124", "order": "Caryophyllales", "family": "", "scientificName": "Amaranthus albus", "scientificNameAuthorship": "", "genus": "Amaranthus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "2017-09-13", "habitat": "On gravel shoulder. Associates: Amaranthus powelii, Echinochloa muricata, Eragrostis minor, Panicum capillare, Plantago lanceolata, Setaria viridis, Sporobolus vaginiflorus.", "occurrenceRemarks": "Scattered.", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "43.934559", "decimalLongitude": "-85.562528", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}