def METHOD_NAME(data, nr_of_O=2):
    """Unitconverting:  ugS/m3 to ugSOx/m3
    Parameters
    ------------------
    data : array_like
        Contains the data in units of ugS/m3.
    nr_of_O: int
        The number of O's in you desired SOx compound.
    Returns
    ------------
    data : ndarray
        data in units of ug SOx/m3
    """
    mm_s = 32.065 * 10**6  # in units of ug/mol
    mm_o = nr_of_O * 15.9999 * 10**6  ## in units of ug/mol
    nr_molecules = mass_to_nr_molecules(data, mm_s)  # 32.065*10**6) [ug/mol]
    added_weight_oksygen = nr_molecules_to_mass(nr_molecules, mm_o)  # ug
    # added weights in micrograms
    mass = data + added_weight_oksygen  # in micrograms
    return mass