Task: Please create a molecule SMILES based on the text description below.
Description: The molecule is allantoic acid in which one of the aminocarbonyl groups is replaced by hydrogen. It is a member of ureas and a non-proteinogenic alpha-amino acid. It is a tautomer of a 2-ureidoglycine zwitterion.
Result: NC(=O)NC(N)C(=O)O
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
NC(=O)NC(N)C(=O)O
2-amino-2-(carbamoylamino)aceticacid
The molecule is allantoic acid in which one of the aminocarbonyl groups is replaced by hydrogen. It is a member of ureas and a non-proteinogenic alpha-amino acid. It is a tautomer of a 2-ureidoglycine zwitterion.