Task: Please create a SMILES based on the description below.
Description: The molecule is conjugate acid of (S)-piperazine-2-carboxamide arising from selective protonation at the 4-position. It is a conjugate acid of a (S)-piperazine-2-carboxamide.
Result: NC(=O)[C@@H]1C[NH2+]CCN1
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
(2S)-piperazin-4-ium-2-carboxamide
The molecule is conjugate acid of (S)-piperazine-2-carboxamide arising from selective protonation at the 4-position. It is a conjugate acid of a (S)-piperazine-2-carboxamide.