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
c4d5
c4c5
b5a4
b5a6
b5e8
b5d7
b5c6
f2f4
f2f3
e1d1
e1f1
e1e5
e1e4
e1e3
e1e2
h3h4
g2g4
g2g3
g1h2
g1h1
g1f1
c1a3
c1b2
c1h6
c1g5
c1f4
c1e3
c1d2
f5b1
f5c2
f5d3
f5e4
f5c8
f5d7
f5e6
f5g4
f5h7
f5g6
f5e5
f5f3
f5f4
f5h5
f5g5
f5f8
f5f7
f5f6
a7a1
a7a2
a7a3
a7a4
a7a5
a7a6
a7b7
a7a8

## Board State Fen
2r2r1k/Rpq3bp/3p4/1B1npQ2/1PP5/7P/5PP1/2B1R1K1 w - - 0 27
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
c4d5
c4c5
b5a4
b5a6
b5e8
b5d7
b5c6
f2f4
f2f3
e1d1
e1f1
e1e5
e1e4
e1e3
e1e2
h3h4
g2g4
g2g3
g1h2
g1h1
g1f1
c1a3
c1b2
c1h6
c1g5
c1f4
c1e3
c1d2
f5b1
f5c2
f5d3
f5e4
f5c8
f5d7
f5e6
f5g4
f5h7
f5g6
f5e5
f5f3
f5f4
f5h5
f5g5
f5f8
f5f7
f5f6
a7a1
a7a2
a7a3
a7a4
a7a5
a7a6
a7b7
a7a8

## Board State Fen
2r2r1k/Rpq3bp/3p4/1B1npQ2/1PP5/7P/5PP1/2B1R1K1 w - - 0 27
assistant
f5e4