Using CC1CCCN1CCCOc1ccc(N2C(=O)CC[C@H]2CN(Cc2ccccc2)Cc2ccccc2)cc1 to produce CC1CCCN1CCCOc1ccc(N2C(=O)CC[C@H]2CN)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.