Task: Please generate a SMILES based on the text description.
Description: The molecule is a Good's buffer substance, pKa = 6.9 at 20 ℃. It is an ACES and an amino sulfonic acid. It is a tautomer of a 2-[(2-amino-2-oxoethyl)ammonio]ethanesulfonate.
Result: NC(=O)CNCCS(=O)(=O)O
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
NC(=O)CNCCS(=O)(=O)O
C(CS(=O)(=O)O)NCC(=O)N
2-[(2-amino-2-oxoethyl)amino]ethanesulfonicacid
The molecule is a Good's buffer substance, pKa = 6.9 at 20 ℃. It is an ACES and an amino sulfonic acid. It is a tautomer of a 2-[(2-amino-2-oxoethyl)ammonio]ethanesulfonate.