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
b2b3
c2c3
a2a4
a2a3
d1c1
d1e1
b1c1
b1a1
d2c1
d2b4
d2c3
d2e1
d2h6
d2g5
d2f4
d2e3
d2d3
e2f4
e2c1
e2c3
e2g1
e2g3
g2g4
g2g3
f3f4
h3g3
h3h1
h3h2
d4d5
e4e5

## Board State Fen
r2q1r2/3nppk1/3p1np1/p6p/1ppPP2P/5P1R/PPPQN1P1/1K1R1B2 w - - 0 16
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
b2b3
c2c3
a2a4
a2a3
d1c1
d1e1
b1c1
b1a1
d2c1
d2b4
d2c3
d2e1
d2h6
d2g5
d2f4
d2e3
d2d3
e2f4
e2c1
e2c3
e2g1
e2g3
g2g4
g2g3
f3f4
h3g3
h3h1
h3h2
d4d5
e4e5

## Board State Fen
r2q1r2/3nppk1/3p1np1/p6p/1ppPP2P/5P1R/PPPQN1P1/1K1R1B2 w - - 0 16
assistant
g2g4