Task: Please generate a SMILES based on the text description.
Description: The molecule is heme b in which the iron has oxidation state +3. It is a heme b and a ferriheme. It is a conjugate acid of a ferriheme b(1-).
Result: C=CC1=C(C)c2cc3[n-]c(cc4nc(cc5[n-]c(cc1n2)c(C)c5CCC(=O)O)C(CCC(=O)O)=C4C)c(C)c3C=C.[Fe+3]
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
3-[18-(2-carboxyethyl)-7,12-bis(ethenyl)-3,8,13,17-tetramethylporphyrin-21,23-diid-2-yl]propanoic acid;iron(3+)
The molecule is heme b in which the iron has oxidation state +3. It is a heme b and a ferriheme. It is a conjugate acid of a ferriheme b(1-).