Chemical structure search

Input SMILES: CNC(C(=O)NC(C(=O)N1CCCC1C(=O)NC1C(OCC#CC#CCOC2Cc3c(C2NC(=O)C2CCCN2C(=O)C(C2CCCCC2)NC(=O)C(NC)C)cccc3)Cc2c1cccc2)C1CCCCC1)C

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