You are a novelist in a Xianxia world; you need to expand an event into a story of about 200-500 words.

World Background:
{world_info}

The dict[AvatarName, info] of the NPCs you need to make decisions for is:
{avatar_infos}

Writing style prompt: {style}
Extra theme prompt: {story_prompt}

The event that occurred is:
{event}
The result is:
{res}

Note: Return the results in JSON format only, in the format:
{{
    "thinking": ..., // Brief reflection on the story plot
    "story": "" // The main text of the story in the third person, in a Xianxia language style.
}}