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
a6a5
b6a5
b6a7
b6d4
b6c5
b6d8
b6c7
d6d5
f6e4
f6g4
f6d5
f6d7
f6h5
f6h7
g6f4
g6f8
g6h4
g6h8
g6e5
g6e7
h6h5
a8a7
a8d8
a8c8
a8b8
e8b8
e8c8
e8d8
e8e3
e8e4
e8e5
e8e6
e8e7
e8f8
g8h8
g8h7
g8f8

## Board State Fen
r3r1k1/5pp1/pb1p1nnp/5N2/3P4/4BN1P/1P3PP1/R3R1K1 b - - 1 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
a6a5
b6a5
b6a7
b6d4
b6c5
b6d8
b6c7
d6d5
f6e4
f6g4
f6d5
f6d7
f6h5
f6h7
g6f4
g6f8
g6h4
g6h8
g6e5
g6e7
h6h5
a8a7
a8d8
a8c8
a8b8
e8b8
e8c8
e8d8
e8e3
e8e4
e8e5
e8e6
e8e7
e8f8
g8h8
g8h7
g8f8

## Board State Fen
r3r1k1/5pp1/pb1p1nnp/5N2/3P4/4BN1P/1P3PP1/R3R1K1 b - - 1 23
assistant
e8e6