The above reaction involves two sequential Heck reactions and three organopalladium intermediates. In the box below draw the structure of intermediate C.

? You do not have to consider stereochemistry.

? You do not have to explicitly draw H atoms.

? Do not include lone pairs in your answer. They will not be considered in the grading.

? Use RI for the PdL ₂ I group. The R group tool is located in the charges and lone pairs dropdown menu.

a 1% mol Pd(OAc)2 4% mol Ph3P CH3CN A (1 ring) B (2 rings) (3 rings)