Identify the expected major product of the following reaction.
[tex]\underset{\mathrm{H}_3 \mathrm{O}^{+}}{\longrightarrow}[/tex] ?
CC(C)C(C)(O)CO
CC(O)C(C)(C)O
CC(C)C(C)(C)CO
CC(C)C(C)(C)O
CC(O)=C(C)C(C)C