Feature： Assist users with NFT-related operations
Example： User asks "Identify the top 10 NFT series by trading volume in the past 24 hours and buy the one with the fastest rising floor price"
System Behavior：
Analyze NFT trading data from platforms like OpenSea, Rarible
Calculate and rank the trading volume and floor price changes of NFT series
Select the qualifying NFT series
Purchase the selected series' NFT on the appropriate market, considering gas fees and rarity