i will never forget this because of the great effect it had on my life.帮我分析一下句子结构

主句只是I will never forget this,到此为止,后面是because of+名词表明原因.非要说从句的话,就是the great effect it had on my life中的it had on my life,定语从句,用来修饰effect的——但这不是整个句子的从句.
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