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
a2a4
a2a3
b2b4
b2b3
c3b5
c3d5
c3a4
c3e2
f2f4
f2f3
f1d3
f1e2
g1h2
g1h1
g2g4
g2g3
d1e1
d1d6
d1d5
d1d4
d1d3
d1d2
c1d2
b1a1
e3d2
e3c5
e3d4
e3h6
e3g5
e3f4
e3d3
e3e1
e3e2
e3g3
e3f3
h3h4
e4e5

## Board State Fen
2r2rk1/1p1n1pbp/p2pp1p1/n1q5/2P1P3/2N1Q2P/PP3PP1/1RBR1BK1 w - - 4 18
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
a2a4
a2a3
b2b4
b2b3
c3b5
c3d5
c3a4
c3e2
f2f4
f2f3
f1d3
f1e2
g1h2
g1h1
g2g4
g2g3
d1e1
d1d6
d1d5
d1d4
d1d3
d1d2
c1d2
b1a1
e3d2
e3c5
e3d4
e3h6
e3g5
e3f4
e3d3
e3e1
e3e2
e3g3
e3f3
h3h4
e4e5

## Board State Fen
2r2rk1/1p1n1pbp/p2pp1p1/n1q5/2P1P3/2N1Q2P/PP3PP1/1RBR1BK1 w - - 4 18
assistant
e3c5