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
a5a4
c5b3
c5d3
c5d7
c5a4
c5a6
c5e4
d6d5
e6e5
g6g5
h6f4
h6g5
h6g7
b7b5
b7b6
f7f5
f7f6
a8a6
a8a7
a8c8
a8b8
d8b8
d8c8
d8d7
d8e8
f8e7
f8g7
f8e8
g8h8
g8g7

## Board State Fen
r2r1qk1/1p3p1p/3pp1pb/p1n5/2P1PP2/1P4P1/P4B1P/1R1RQB1K b - - 0 25
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
a5a4
c5b3
c5d3
c5d7
c5a4
c5a6
c5e4
d6d5
e6e5
g6g5
h6f4
h6g5
h6g7
b7b5
b7b6
f7f5
f7f6
a8a6
a8a7
a8c8
a8b8
d8b8
d8c8
d8d7
d8e8
f8e7
f8g7
f8e8
g8h8
g8g7

## Board State Fen
r2r1qk1/1p3p1p/3pp1pb/p1n5/2P1PP2/1P4P1/P4B1P/1R1RQB1K b - - 0 25
assistant
a8c8