In the reaction shown below, which of the following is the nucleophile? OCH₂CH3 CH3CH₂CHCH₂ + 2 CH3CH₂OH I CH₂CH₂CHCH; CH3CH₂CHCH₂ CH₂CH₂OH CH3CH₂O CH3CH₂CHCH3 + I + CH₂CH₂OH₂

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