Using OCCN1CCN(C(c2ccccc2)(c2ccccc2)c2ccccc2)CC1, CCOC(=O)CC(=O)CCl to produce CCOC(=O)CC(=O)COCCN1CCN(C(c2ccccc2)(c2ccccc2)c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.