Chemical structure search

Input SMILES: CN(CCCCCCNCC(=O)n1c2ncccc2[nH]c(=O)c2c1cccc2)CCCCCCCCN(CCCCCCN(CC(=O)n1c2ncccc2[nH]c(=O)c2c1cccc2)CC(=O)n1c2ncccc2[nH]c(=O)c2c1cccc2)C

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