Using CCOC(=O)C1=CCCN(CCOCCC2c3ccccc3CCc3ccccc32)C1, ClCCl to produce O=C(O)C1=CCCN(CCOCCC2c3ccccc3CCc3ccccc32)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.