Task: Please generate a molecule SMILES based on the text description.
Description: The molecule is a cyclic tetrapyrrole anion obtained by deprotonation of the four carboxy groups of coproporphyrin III; major species at pH 7.3. It is a conjugate base of a coproporphyrin III.
Result: CC1=C(CCC(=O)[O-])c2cc3nc(cc4[nH]c(cc5[nH]c(cc1n2)c(C)c5CCC(=O)[O-])c(CCC(=O)[O-])c4C)C(CCC(=O)[O-])=C3C
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
CC1=C(CCC(=O)[O-])c2cc3nc(cc4[nH]c(cc5[nH]c(cc1n2)c(C)c5CCC(=O)[O-])c(CCC(=O)[O-])c4C)C(CCC(=O)[O-])=C3C
3-[8,13,18-tris(2-carboxylatoethyl)-3,7,12,17-tetramethyl-21,24-dihydroporphyrin-2-yl]propanoate
The molecule is a cyclic tetrapyrrole anion obtained by deprotonation of the four carboxy groups of coproporphyrin III; major species at pH 7.3. It is a conjugate base of a coproporphyrin III.