Using OCCc1ccc2c(n1)NCCC2, CCOC(=O)CC1C(c2ccc(O)cc2)C1(Cl)Cl to produce O=C(O)CC1C(c2ccc(OCCc3ccc4c(n3)NCCC4)cc2)C1(Cl)Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.