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
f4e2
f4e6
f4g2
f4g6
f4d3
f4d5
f4h3
f4h5
c5a3
c5b4
c5a7
c5b6
c5f2
c5e3
c5d4
c5e7
c5d6
e5e4
a6a5
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
b7b5
b7b6
c7c6
g7g5
g7g6
h7h5
h7h6
a8a7
a8e8
a8d8
a8c8
a8b8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
r4rk1/1pp2ppp/p4n2/2b1pP2/5n1B/2P2N1P/PPB2PP1/2KR3R b - - 0 18
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
f4e2
f4e6
f4g2
f4g6
f4d3
f4d5
f4h3
f4h5
c5a3
c5b4
c5a7
c5b6
c5f2
c5e3
c5d4
c5e7
c5d6
e5e4
a6a5
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
b7b5
b7b6
c7c6
g7g5
g7g6
h7h5
h7h6
a8a7
a8e8
a8d8
a8c8
a8b8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
r4rk1/1pp2ppp/p4n2/2b1pP2/5n1B/2P2N1P/PPB2PP1/2KR3R b - - 0 18
assistant
f8e8