code: def name(self) -> str:
      return f"CoT_{self.cot_completion_fn.model}_{self.extract_completion_fn.model}"
  
file_path: evals/evals/solvers/openai_chat_completion_cot_solver.py
imports: from dataclasses import dataclass
  from typing import Any, Dict, List, Union
  from evals.completion_fns.openai import OpenAIChatCompletionFn
  from evals.solvers.prompts.cot import DEFAULT_COT_TEMPLATE, DEFAULT_EXTRACT_ANSWER_TEMPLATE
  from evals.solvers.solver import OpenAISolver, SolverResult
  from evals.task_state import Message, TaskState
label_desc: Use image node_id 3 for calling the OpenAIChatCompletionCoTSolver obj's underlying member method code with example usage: obj.name() and returns: str, self, str, self