Chemical structure search

Input SMILES: CNCC(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1CCC[C@H]1C(=O)N[C@@H](C(=O)O)C)Cc1[nH]cnc1)[C@H](CC)C)Cc1ccc(cc1)O)C(C)C)CCCN=C(N)N

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To return all relevant hits please ensure that your input structure does not include chiral specification.