Question: First Charter Bank became part of what regional bank, headquartered in Cincinnati?

Context paragraphs:
Central Bank of Malta: The Central Bank of Malta (Maltese: "Bank Ċentrali ta’ Malta" ) is the central bank of the Republic of Malta.  It was established on 17 April 1968.  In May 2004, when Malta joined the European Union, it became an integral part of the European System of Central Banks.  It was responsible for, amongst other things, issuing Maltese lira banknotes and coins, before Malta adopted the euro in 2008 and the Bank became part of the Eurosystem.

Yadkin Financial: Yadkin Financial Corporation was a bank holding company and the parent of Yadkin Bank, a defunct regional bank with $7.3 billion in assets and 110 branches in North and South Carolina before the 2017 purchase by FNB Corporation of Pittsburgh.  The bank was headquartered in Elkin, North Carolina.  On July 4, 2014, Yadkin Financial and VantageSouth Bancshares Inc. completed a merger which resulted in the largest community bank based in North Carolina, and the fourth-largest bank headquartered in the state, with $4 billion in assets and $3.2 billion in deposits.  The company was headquartered in Raleigh, North Carolina with banking operations based in Statesville, North Carolina.

Viking Bank: Viking Bank is a Russian regional bank with headquarters in Saint-Petersburg.  Corporate Name - Commercial Bank "Viking" Closed Joint Stock Company.  Viking Bank is a part of Russian Banking System; the Bank's work is governed by the applicable law of the Russian Federation, regulatory acts of the Central Bank of the Russian Federation, and the Charter.  General Banking License No. 2 is issued by the State Bank of USSR on August 26, 1988.  The Bank functions on the financial market as a universal credit institution, it offers banking services of all types to companies of various business legal structures and different branches of industry, and to people at large.

First Charter Bank: First Charter Bank (NASDAQ: FCTR), a subsidiary of First Charter Corporation, was a bank headquartered in Charlotte, North Carolina, United States.  From its 1888 founding as Concord National Bank until its 2001 move to Charlotte, the bank was headquartered in Concord, North Carolina.  The bank became part of Fifth Third Bank in 2008.

Bank of California Building (Seattle): The Bank of California Building is a landmark building located at 815 2nd Avenue in Seattle, Washington.  It is located mid-block adjoining the Exchange Building.  It was built by the Bank of California (predecessor to the Union Bank of California) in 1924 and has been continually used as a bank ever since.  It housed the offices for the Bank of California until 1973 when a new building, the Union Bank of California Center was built at the corner of 4th and Madison Streets.  Ironically, this newer, larger building is no longer used as a bank and instead is occupied by a Bartell Drugs store.  The original Bank of California Building was retained as a branch office until being sold to the Puget Sound Mutual Savings Bank in 1982 which was headquartered in the building until 1993 when through a series of mergers and acquisitions the bank became a branch of Key Bank, which it remains to present day.

First Financial Bank (Ohio): First Financial Bancorp (NASDAQ: FFBC ) is a regional bank headquartered in Cincinnati, Ohio, with its operations center in the northern Cincinnati, Tri-County area.  Founded in 1863, First Financial has the eighth oldest national bank charter and has 110 locations in Ohio, Kentucky, and throughout Indiana.

Banca Tercas: Banca Tercas is an Italian bank based in Teramo, Abruzzo.  On 1 January 2011 the bank purchased Banca Caripe from Banco Popolare, which the bank group also referred as Tercas Caripe.  However the bank was acquired by Banca Popolare di Bari in 2014, which in turn the bank became part of the BP Bari Group.

The 77 Bank: The 77 Bank, Ltd. (株式会社七十七銀行 , Kabushiki-gaisha Shichijūshichi Ginkō ) () is a Japanese regional bank headquartered in Sendai, Miyagi Prefecture.  As the designated financial institution of the prefecture, the city, and many other cities and towns throughout the prefecture, it performs duties such as holding deposits for public money and handling payments.  It is also the biggest regional bank in the Tōhoku region.

BSI Ltd: BSI had been the oldest bank in the Swiss canton of Ticino until its integration into EFG Bank and the following renaming into EFG, which took place in 2017.  Founded in 1873 in Lugano as the Banca della Svizzera Italiana, BSI was an institution that specialises in asset management and related services for private and institutional clients.  In 1998, the bank became part of the Italian Generali group, one of the world's biggest insurance companies.  In July 2014, Generali sold BSI to BTG Pactual for $1.7 billion USD, a deal that CEO of the bank, André Esteves stated would make BTG Pactual a “global player in the asset management arena.”

Fifth Third Bank: Fifth Third Bank (5/3 Bank) is a U.S. regional banking corporation, headquartered in Cincinnati, Ohio at Fifth Third Center, and is the principal subsidiary of holding company Fifth Third Bancorp.  The company operates under an Ohio charter.  Its main businesses include branch banking, commercial banking, consumer lending, payment processing, investment advising, and title insurance.

Supporting paragraphs: First Charter Bank Fifth Third Bank
Answer: Fifth Third Bank