Showing structure for CCN1CCN(C(=O)N(C(C(=O)N([C@@H]2C(=O)N3C(C(=O)O)=C(CSC4=NN=NN4C)CS[C@H]23)[Si](C)(C)C)C2=CC=C(O)C=C2)[Si](C)(C)C)C(=O)C1=O