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
a1e1
a1d1
a1c1
a1b1
a1a2
f1b1
f1c1
f1d1
f1e1
g1h1
b2b4
b2b3
d2c1
d2e1
d2h6
d2g5
d2f4
d2e3
d2c2
d2d1
d2d3
e2e4
e2e3
g2h1
g2h3
h2h4
h2h3
a3a4
c3b1
c3b5
c3d1
c3d5
c3a2
c3a4
c3e4
f3e1
f3e5
f3g5
f3h4
g3g4
d4c5

## Board State Fen
r2q1rk1/5ppp/bpn2n2/p1pp4/3P4/P1N2NP1/1P1QPPBP/R4RK1 w - - 2 13
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
a1e1
a1d1
a1c1
a1b1
a1a2
f1b1
f1c1
f1d1
f1e1
g1h1
b2b4
b2b3
d2c1
d2e1
d2h6
d2g5
d2f4
d2e3
d2c2
d2d1
d2d3
e2e4
e2e3
g2h1
g2h3
h2h4
h2h3
a3a4
c3b1
c3b5
c3d1
c3d5
c3a2
c3a4
c3e4
f3e1
f3e5
f3g5
f3h4
g3g4
d4c5

## Board State Fen
r2q1rk1/5ppp/bpn2n2/p1pp4/3P4/P1N2NP1/1P1QPPBP/R4RK1 w - - 2 13
assistant
f1d1