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
e1e3
e1e2
f1a6
f1b5
f1c4
f1d3
f1e2
a1d1
a1c1
a1b1
a1a3
a1a2
g1h2
g1h1
b2a3
b2c1
c2b1
c2b3
c2d1
c2d3
c2c1
d2c4
d2b1
d2b3
g2g4
g2g3
c3c4
f3e5
f3g5
f3h2
f3h4
h3h4
b4a5
b4b5
d4e5
d4d5

## Board State Fen
r2qr1k1/bp3ppp/2ppbnn1/p3p3/PP1PP3/2P2N1P/1BQN1PP1/R3RBK1 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
e1b1
e1c1
e1d1
e1e3
e1e2
f1a6
f1b5
f1c4
f1d3
f1e2
a1d1
a1c1
a1b1
a1a3
a1a2
g1h2
g1h1
b2a3
b2c1
c2b1
c2b3
c2d1
c2d3
c2c1
d2c4
d2b1
d2b3
g2g4
g2g3
c3c4
f3e5
f3g5
f3h2
f3h4
h3h4
b4a5
b4b5
d4e5
d4d5

## Board State Fen
r2qr1k1/bp3ppp/2ppbnn1/p3p3/PP1PP3/2P2N1P/1BQN1PP1/R3RBK1 w - - 0 16
assistant
b4b5