code: def is_equiv_chain_of_thought(str1: str, str2: str) -> float:
      """Strips the solution first before calling `is_equiv`."""
      ans1 = get_answer(str1)
      ans2 = get_answer(str2)
  
      return is_equiv(ans1, ans2)
  
file_path: autogen/autogen/math_utils.py
imports: from typing import Optional
  from autogen import oai, DEFAULT_MODEL
label_desc: Use image node_id 11 for calling a global function with example usage: is_equiv_chain_of_thought(str1, str2) and returns: is_equiv