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
e5a1
e5b2
e5c3
e5d4
e5b8
e5c7
e5d6
e5g3
e5f4
f6e4
f6e8
f6g4
f6g8
f6d5
f6d7
f6h5
a7a5
a7a6
b7b5
b7b6
g7g5
g7g6
h7h5
h7h6
d8e8
d8e7
d8d7
h8e8
h8f8
h8g8

## Board State Fen
3k3r/pp4pp/4pn2/4b3/1P2N3/P5P1/5PBP/2R3K1 b - - 0 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
e5a1
e5b2
e5c3
e5d4
e5b8
e5c7
e5d6
e5g3
e5f4
f6e4
f6e8
f6g4
f6g8
f6d5
f6d7
f6h5
a7a5
a7a6
b7b5
b7b6
g7g5
g7g6
h7h5
h7h6
d8e8
d8e7
d8d7
h8e8
h8f8
h8g8

## Board State Fen
3k3r/pp4pp/4pn2/4b3/1P2N3/P5P1/5PBP/2R3K1 b - - 0 19
assistant
f6e4