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
a5b4
a5a4
g6g5
b7c5
b7d8
d7c6
d7c8
d7h3
d7g4
d7f5
d7e6
e7d8
e7h4
e7g5
e7f6
e7f8
e7e4
e7e5
e7e6
f7f5
f7f6
g7d4
g7e5
g7f6
g7f8
g7h6
g7h8
h7h5
h7h6
a8a6
a8a7
a8d8
a8c8
a8b8
e8b8
e8c8
e8d8
e8f8
g8h8
g8f8

## Board State Fen
r3r1k1/1n1bqpbp/3p2p1/pp1P4/1PpNPQ2/P1P2N1P/2B2PP1/R3R1K1 b - - 2 23
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
a5b4
a5a4
g6g5
b7c5
b7d8
d7c6
d7c8
d7h3
d7g4
d7f5
d7e6
e7d8
e7h4
e7g5
e7f6
e7f8
e7e4
e7e5
e7e6
f7f5
f7f6
g7d4
g7e5
g7f6
g7f8
g7h6
g7h8
h7h5
h7h6
a8a6
a8a7
a8d8
a8c8
a8b8
e8b8
e8c8
e8d8
e8f8
g8h8
g8f8

## Board State Fen
r3r1k1/1n1bqpbp/3p2p1/pp1P4/1PpNPQ2/P1P2N1P/2B2PP1/R3R1K1 b - - 2 23
assistant
e7d8