This chunk of code will result in an error. What can be done to resolve the error?

ggplot$($

data $=$ penguins,

mapping $=$ aes$($

x $=$ bill$\_$length$\_$mm$,$

y $=$ bill$\_$depth$\_$mm$,$

shape $=$ island

$)$

$)+$

geom$\_$point$()+$

geom$\_$smooth$($method $="$lm$")+$

labels$($

title $=$ "Bill Length and Bill Depth",

x $=$ "Bill Length $($mm$)",$

y $=$ "Bill Depth $($mm$)"$

$)$