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
e1d1
e1e3
e1e2
c1h6
c1g5
c1f4
c1e3
c1d2
a1b1
f1a6
f1b5
f1c4
f1d3
f1e2
g1h2
g1h1
a2a4
a2a3
b2b4
b2b3
c2c4
c2c3
f2f4
f2f3
g3d6
g3e5
g3f4
g3h2
g3h4
g3a3
g3b3
g3c3
g3d3
g3e3
g3f3
g3g8
g3g7
g3g6
g3g5
g3g4
h3h4
e4d5
e4e5

## Board State Fen
r3kb1r/1p1nqp1p/p2pp3/2pb4/4P3/6QP/PPP2PP1/R1B1RBK1 w kq - 0 15
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
e1d1
e1e3
e1e2
c1h6
c1g5
c1f4
c1e3
c1d2
a1b1
f1a6
f1b5
f1c4
f1d3
f1e2
g1h2
g1h1
a2a4
a2a3
b2b4
b2b3
c2c4
c2c3
f2f4
f2f3
g3d6
g3e5
g3f4
g3h2
g3h4
g3a3
g3b3
g3c3
g3d3
g3e3
g3f3
g3g8
g3g7
g3g6
g3g5
g3g4
h3h4
e4d5
e4e5

## Board State Fen
r3kb1r/1p1nqp1p/p2pp3/2pb4/4P3/6QP/PPP2PP1/R1B1RBK1 w kq - 0 15
assistant
e4d5