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[   ] S5P_OPER_AUX_CTM_CO_20171001T000000_20180915T000000_20170925T120000.nc 
[   ] S5P_OPER_AUX_CTM_CO_20180915T000000_20190915T000000_20180711T120000.nc 
[   ] S5P_OPER_AUX_CTM_CO_20190915T000000_20200815T000000_20180711T120000.nc 
[   ] S5P_OPER_AUX_CTM_CO_20200201T000000_20210201T000000_20200105T120000.nc