As a prospective international student, I'm interested in the English-taught Computer Science M.Sc. program at the University of Stuttgart. What is the application deadline for the winter semester, and what English language proficiency level is required for admission? Please provide both details without opening any PDF documents.
Navigate to the University of Stuttgart's Computer Science M.Sc. program page. Locate and click on the 'Information about applying for Computer Science on C@MPUS' link (or similar news item) to find the application deadline. Identify and extract the application deadline for the winter semester. Return to the main Computer Science M.Sc. program page. Scroll down to find the 'Language Requirements' section. Identify and extract the required English language proficiency level. State both the application deadline and the required English language proficiency level.
Successfully navigate to the dedicated page for the 'Computer Science (in English)' Master of Science program. State the application deadline for the winter semester for the Computer Science M.Sc. program as 'January 15'. State the general English language proficiency level required for admission as 'CEFR level C1'. Do not attempt to open or extract information from any PDF documents.