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
a1b1
a1a8
a1a7
a1a6
a1a5
a1a4
a1a3
a1a2
c1h6
c1g5
c1f4
c1e3
c1d2
e1d1
e1f1
e1e3
e1e2
g1h2
g1h1
g1g2
g1f1
f2f4
f2f3
b3b4
c3c4
g3g4
h3h4

## Board State Fen
r2r2k1/1p4pp/1pp1np2/4p3/4P3/1PP3PP/1P3P2/R1B1R1K1 w - - 0 23
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
a1b1
a1a8
a1a7
a1a6
a1a5
a1a4
a1a3
a1a2
c1h6
c1g5
c1f4
c1e3
c1d2
e1d1
e1f1
e1e3
e1e2
g1h2
g1h1
g1g2
g1f1
f2f4
f2f3
b3b4
c3c4
g3g4
h3h4

## Board State Fen
r2r2k1/1p4pp/1pp1np2/4p3/4P3/1PP3PP/1P3P2/R1B1R1K1 w - - 0 23
assistant
c1e3