Using CCOC(=O)CC1CCNCC1, ClCCCN1c2ccccc2CCc2ccccc21 to produce CCOC(=O)CC1CCN(CCCN2c3ccccc3CCc3ccccc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.