Chemical structure search

Input SMILES: CCCC[C@@H](C(=O)N[C@H]1CC(=O)NCCCC[C@@H](C(=O)N)NC(=O)[C@H](CC2=CNC3=C2C=CC=C3)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@@H](CC4=CC5=C(C=CC=C5)C=C4)NC(=O)[C@H](CC6=CN=CN6)NC1=O)NC(=O)C

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