Can i Break my contract with two weeks of notice?

Here is a paragraph from my employment letter. Termination: The services to be rendered by you shall continue for an initial period of eighteen months; provided that USG shall have the right, at any time, by written notice to you to terminate this Agreement and your employment prior to such date and upon such termination, no further amounts will be due to you, however, you shall continue to be subject to the provisions of paragraphs 6 and 7 below as well as any other provisions that contemplate enforcement beyond the termination of this agreement. The parties may mutually agree to extend the term of this Agreement. The Employee on the other hand may not terminate her employment with USG prior to the conclusion of the initial period set forth above or any such agreed upon extensions. Violation of this provision is considered a material breach of this Agreement. In case the employee wishes to terminate this agreement, the employee must give two weeks not