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Showing structure for C[Si](C)(C)OC(=O)CCC(C(=O)O[Si](C)(C)C)N(C(=O)C1=CC=C(N2C[C@H]3CNC4=C(C(=O)[NH]C(N([Si](C)(C)C)[Si](C)(C)C)=N4)N3C2)C=C1)[Si](C)(C)C