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
b5a4
b5a6
b5e2
b5d3
b5c4
b5e8
b5d7
b5c6
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
b7b6
e7a3
e7b4
e7c5
e7d6
e7c7
e7d7
e7e3
e7e4
e7e5
e7e6
e7e8
g7g5
g7g6
h7h5
h7h6
d8a8
d8b8
d8c8
d8d1
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
d8e8
f8e8
g8h8

## Board State Fen
3r1rk1/1p2qppp/5n2/pb6/8/PP2P3/1Q2BPPP/R1B2RK1 b - - 2 19
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
b5a4
b5a6
b5e2
b5d3
b5c4
b5e8
b5d7
b5c6
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
b7b6
e7a3
e7b4
e7c5
e7d6
e7c7
e7d7
e7e3
e7e4
e7e5
e7e6
e7e8
g7g5
g7g6
h7h5
h7h6
d8a8
d8b8
d8c8
d8d1
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
d8e8
f8e8
g8h8

## Board State Fen
3r1rk1/1p2qppp/5n2/pb6/8/PP2P3/1Q2BPPP/R1B2RK1 b - - 2 19
assistant
b5e2