Task: Please generate a SMILES based on the description.
Description: The molecule is a precorrin containing seven C-methyl groups introduced into the tetrapyrrole framework. It is a conjugate acid of a precorrin-7(6-).
Result: CC1=C(CCC(=O)O)C2=N[C@@]1(C)CC1=C(CCC(=O)O)[C@](C)(CC(=O)O)C(=N1)/C=C1\N[C@@](C)([C@@H]3N=C(C2C)[C@](C)(CCC(=O)O)[C@H]3CC(=O)O)[C@@](C)(CC(=O)O)[C@@H]1CCC(=O)O
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
3-[(1R,2S,3S,4Z,7S,11S,17R,18R,19R)-8,13,17-tris(2-carboxyethyl)-2,7,18-tris(carboxymethyl)-1,2,7,11,12,15,17-heptamethyl-3,10,15,18,19,21-hexahydrocorrin-3-yl]propanoic acid
The molecule is a precorrin containing seven C-methyl groups introduced into the tetrapyrrole framework. It is a conjugate acid of a precorrin-7(6-).