code: def format_text(
      features: builders.FeaturesDict,
      raw_string_name: str,
      formated_name: str,
      keep_raw_string: bool = False,
  ) -> builders.FeaturesDict:
      """Tokenize raw string with tokenizer."""
      raw_caption = features[raw_string_name]
  
      formated = custom_standardization(raw_caption)
  
      if not keep_raw_string:
          del features[raw_string_name]
  
      features[formated_name] = formated
      return features
  
imports: import functools
  from typing import Any, Dict, Optional, Sequence
  from absl import logging
  from dmvr import builders
  from dmvr import processors
  from dmvr import tokenizers
  import numpy
  from scenic.projects.mbt.datasets.dataset_utils import _decode_spectrogram
  from scenic.projects.mbt.datasets.dataset_utils import apply_specaugment
  import tensorflow
label_desc: Use image node_id 17 for calling a global function with example usage: format_text(features, raw_string_name, formated_name, keep_raw_string) and returns: features