Notice of Filing of Proposed Rule Change, as Modified by Amendment No. 1, Adopting Exchange Rule 953.1NY To Provide for How the Exchange Proposes To Treat Orders, Market-Making Quoting Obligations, and Errors in Response to the Regulation NMS Plan To Address Extraordinary Market Volatility; and Amending Exchange Rule 953NY To Codify That the Exchange Shall Halt Trading in All Options Overlying NMS Stocks When the Equities Markets Initiate a Market-Wide Trading Halt Due to Extraordinary Market Volatility