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Showing structure for C=CC1=C(C)/C(=C/C2=C(C)C(CCC(=O)O[Si](C)(C)C)=C(CC3=C(CCC(=O)O[Si](C)(C)C)C(C)=C(/C=C4\NC(=O)C(C)=C4C=C)[NH]3)[NH]2)N([Si](C)(C)C)C1=O