Task: Please create a SMILES based on the description below.
Description: The molecule is a dimer of hematin in which an iron-oxygen bond links the central iron of one hematin to the oxygen of one of the carboxylates of the adjacent hematin.
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.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].[Fe]
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
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.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].[Fe]
3-[18-(2-carboxyethyl)-7,12-bis(ethenyl)-3,8,13,17-tetramethylporphyrin-21,23-diid-2-yl]propanoate;3-[18-(2-carboxyethyl)-8,13-bis(ethenyl)-3,7,12,17-tetramethylporphyrin-22,24-diid-2-yl]propanoate;iron
The molecule is a dimer of hematin in which an iron-oxygen bond links the central iron of one hematin to the oxygen of one of the carboxylates of the adjacent hematin.