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
d4a4
d4b4
d4c4
d4d1
d4d2
d4d3
d4e4
d4d8
d4d7
d4d6
d4d5
f1a6
f1b5
f1c4
f1d3
f1e2
f1h3
f1g2
h6h5
a7a4
a7a5
a7a6
a7e7
a7d7
a7c7
a7b7
a7a8
f7f5
f7f6
g7g5
g7g6
g8h8
g8h7
g8f8

## Board State Fen
6k1/r4pp1/2p4p/2P1p3/3rP3/p3RPP1/P6P/1RB2bK1 b - - 0 44
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
d4a4
d4b4
d4c4
d4d1
d4d2
d4d3
d4e4
d4d8
d4d7
d4d6
d4d5
f1a6
f1b5
f1c4
f1d3
f1e2
f1h3
f1g2
h6h5
a7a4
a7a5
a7a6
a7e7
a7d7
a7c7
a7b7
a7a8
f7f5
f7f6
g7g5
g7g6
g8h8
g8h7
g8f8

## Board State Fen
6k1/r4pp1/2p4p/2P1p3/3rP3/p3RPP1/P6P/1RB2bK1 b - - 0 44
assistant
f1d3