Task: Please create a molecule SMILES based on the text description below.
Description: The molecule is the L-enantiomer of cysteinium. It has a role as a fundamental metabolite. It is a conjugate acid of a L-cysteine and a L-cysteine zwitterion. It is an enantiomer of a D-cysteinium.
Result: [NH3+][C@@H](CS)C(=O)O
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
[NH3+][C@@H](CS)C(=O)O
[(1R)-1-carboxy-2-sulfanylethyl]azanium
The molecule is the L-enantiomer of cysteinium. It has a role as a fundamental metabolite. It is a conjugate acid of a L-cysteine and a L-cysteine zwitterion. It is an enantiomer of a D-cysteinium.