Which of the following is most likely to be the first step in the general mechanism for electrophilic substitution reactions? 
Definitions:
Manager-Managed
A management structure typically used in a Limited Liability Company (LLC) where one or more appointed managers are responsible for the company's day-to-day operations, as opposed to being member-managed.
Limited Liability Company
A business organization strategy that harmonizes the limited liability advantage of a corporation with the taxation simplicity of a partnership or sole proprietorship.
Operations Participation
The involvement or engagement in the ongoing activities or processes of an organization, project, or system.
Articles of Organization
A document filed with a state governmental entity to legally establish a limited liability company (LLC).
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