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Showing structure for CCC1=C(C)C2=CC3=C(CC)C(C)=C(C=C4N=C(C=C5N=C(C=C1[NH]2)C(C)=C5CCC(=O)O[Si](C)(C)C)C(CCC(=O)O)=C4C)N3[Si](C)(C)C