What acts as the nucleophile in the first step of the following reaction? 
Definitions:
Null Hypothesis
A hypothesis that suggests no significant difference or effect in a study.
Correlated
When two or more variables are related in some way, showing a tendency to vary together.
Pearson Correlation
A value ranging from +1 to -1 that indicates the degree of linear relationship between two variables, X and Y.
Degrees Of Freedom
Represents the number of independent values or quantities which can vary in the analysis without violating any constraints.
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