1. Introduction
2. Observations and Data Products
2.1. Observations
2.2. Data Products
3. Results
3.1. Spatial Distribution of Emission
3.2. Dust Substructures
3.3. Molecular Column Density
4. Discussion
4.1. The Origin of Ring-like Emission
4.2. The Interplay of Gas and Dust
4.3. The Chemical Origin of Detected Molecules
5. Conclusions