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Showing structure for C[Si](C)(C)OC(=O)CC[C@@H](C(=O)O[Si](C)(C)C)N(C(=O)C1=CC=C(N(CC2=NC3=C(N([Si](C)(C)C)C2)N([Si](C)(C)C)C(N)=NC3=O)[Si](C)(C)C)C=C1)[Si](C)(C)C