def cnmr_match_tag(text):
    """Detect Carbon NMR data from splitted spectral sample text
    param text:splitted spectral sample text
    return:string related to Carbon NMR data
    """
    cnmr_data = []
    for data_block in text:
        cnmr_patterns = ["13C NMR", "13C{1H}"]
        for pattern in cnmr_patterns:
            if pattern in data_block:
                cnmr_data.append(data_block)
    return cnmr_data