Complete the mechanism for the given reaction by adding any missing atoms, bonds, charges, nonbonding electron pairs, and curved arrows. Do not delete anv pre-drawn bonds. charges. or lone nairs. If vou accidentally delete a vital nart of the structu curved arrows. Do not delete any pre-drawn bonds, charges, or lone pairs. If y use the undo button in the lower-left corner of the panel to reset the structure. Step 1: add curved arrows