Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
d7c8
d7e8
d7d8
b6a8
b6c8
e7d8
e7f8
g8h7

## Board State Fen
R5k1/1ppqbpp1/1n5p/1P1pP3/3P4/1Q2B2P/3N1PP1/6K1 b - - 0 31
system
You are a chess playing AI.
user
Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
d7c8
d7e8
d7d8
b6a8
b6c8
e7d8
e7f8
g8h7

## Board State Fen
R5k1/1ppqbpp1/1n5p/1P1pP3/3P4/1Q2B2P/3N1PP1/6K1 b - - 0 31
assistant
b6a8