Map Sentinel 5p CH4, SO2 and CO Data (Visan)

export_path=‘sentinel.nc’
product = harp.import_product(r"S5P_OFFL_L2__NO2____20181101T054736_20181101T072905_05446_01_010200_20181107T073552.nc",
operations= “latitude >= 5[degree_north] ; latitude <= 38[degree_north] ;
longitude>=67 [degree_east];longitude<=98 [degree_east];tropospheric_NO2_column_number_density_validity>75;
bin_spatial(661,5,0.05,621,67,0.05);
derive(latitude {latitude});derive(longitude {longitude});
exclude(latitude_bounds,longitude_bounds,latitude_bounds_weight,longitude_bounds_weight,count,weight);
derive(tropospheric_NO2_column_number_density [Pmolec/cm2]);
keep(latitude,longitude,tropospheric_NO2_column_number_density)”,
post_operations=“bin(); squash(time, (latitude_bounds,longitude_bounds))”
)

harp.export_product(product, export_path,file_format=“netcdf”)

I used these above codes and when i tried to export it in nc file and saved the new file it exported in .nc format. But when I tried to plot this it shows error. Is their any problem with the codes?