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
a7a1
a7a2
a7a3
a7a4
a7a5
a7a6
a7h7
a7g7
a7f7
a7e7
a7d7
a7c7
a7b7
a7a8
e3c5
e3d4
e3g1
e3f2
e3f4
d2e2
d2e1
d2d1
d2c2
d2c1

## Board State Fen
5k2/R7/3b2p1/2p1p1P1/2p1P3/2P1Br2/3K4/8 w - - 9 53
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
a7a1
a7a2
a7a3
a7a4
a7a5
a7a6
a7h7
a7g7
a7f7
a7e7
a7d7
a7c7
a7b7
a7a8
e3c5
e3d4
e3g1
e3f2
e3f4
d2e2
d2e1
d2d1
d2c2
d2c1

## Board State Fen
5k2/R7/3b2p1/2p1p1P1/2p1P3/2P1Br2/3K4/8 w - - 9 53
assistant
a7a5