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
e1b1
e1c1
e1d1
e1f1
e1e3
e1e2
a1d1
a1c1
a1b1
g1h2
g1h1
g1f1
a2b1
a2e6
a2d5
a2c4
a2b3
b2b4
b2b3
d2c1
d2h6
d2g5
d2f4
d2e3
a3a4
c3d4
c3c4
f3d1
f3e2
f3h5
f3g4
f3d3
f3e3
f3f6
f3f5
f3f4
g3f1
g3f5
g3h1
g3h5
g3e2
h3h4

## Board State Fen
r2q1rk1/5ppp/p3bn2/1pb1p3/3pP3/P1P2QNP/BP1B1PP1/R3R1K1 w - - 3 20
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
e1b1
e1c1
e1d1
e1f1
e1e3
e1e2
a1d1
a1c1
a1b1
g1h2
g1h1
g1f1
a2b1
a2e6
a2d5
a2c4
a2b3
b2b4
b2b3
d2c1
d2h6
d2g5
d2f4
d2e3
a3a4
c3d4
c3c4
f3d1
f3e2
f3h5
f3g4
f3d3
f3e3
f3f6
f3f5
f3f4
g3f1
g3f5
g3h1
g3h5
g3e2
h3h4

## Board State Fen
r2q1rk1/5ppp/p3bn2/1pb1p3/3pP3/P1P2QNP/BP1B1PP1/R3R1K1 w - - 3 20
assistant
c3d4