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
b4a3
b4a5
b4c3
b4f8
b4e7
b4d6
b4c5
a7a5
a7a6
b7b5
b7b6
c7c5
c7c6
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
b8a6
b8c6
b8d7
c8d7
d8h4
d8g5
d8f6
d8e7
d8d6
d8d7
e8f8
e8e7
e8d7
g8f6
g8h6
g8e7

## Board State Fen
rnbqk1nr/ppp2ppp/4p3/3pP3/1b1P4/2N5/PPP2PPP/R1BQKBNR b KQkq - 0 4
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
b4a3
b4a5
b4c3
b4f8
b4e7
b4d6
b4c5
a7a5
a7a6
b7b5
b7b6
c7c5
c7c6
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
b8a6
b8c6
b8d7
c8d7
d8h4
d8g5
d8f6
d8e7
d8d6
d8d7
e8f8
e8e7
e8d7
g8f6
g8h6
g8e7

## Board State Fen
rnbqk1nr/ppp2ppp/4p3/3pP3/1b1P4/2N5/PPP2PPP/R1BQKBNR b KQkq - 0 4
assistant
c7c5