Using c1ccc2c(OCCN3CCOCC3)cccc2c1, COC(=O)C(=O)Cl to produce COC(=O)C(=O)c1ccc(OCCN2CCOCC2)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.