Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Location | Abb. | Enzyme | Disorder | Measurements |
| --- | --- | --- | --- | --- |
| Mitochondria | NAGS | N-Acetylglutamate synthetase | N-Acetylglutamate synthase deficiency | + Ammonia |
| Mitochondria | CPS1 | Carbamoyl phosphate synthetase I | Carbamoyl phosphate synthetase I deficiency | + Ammonia |
| Mitochondria | OTC | Ornithine transcarbamylase | Ornithine transcarbamylase deficiency | + Ornithine , + Uracil , + Orotic acid |
| Cytosol | ASS | Argininosuccinic acid synthetase | "AS deficiency" or citrullinemia | + Citrulline |
| Cytosol | ASL | Argininosuccinase acid lyase | "AL deficiency" or argininosuccinic aciduria (ASA) | + Citrulline , + Argininosuccinic acid |
| Cytosol | ARG | Arginase | "Arginase deficiency" or argininemia | + Arginine |
Question:
What is the abbreviation of the enzyme involved in carbamoyl phosphate synthetase i deficiency?
Answer:
CPS1