Using CCN(CC)CC, COc1cc(OC)nc(COc2cccc(Cl)c2C(=O)O)n1 to produce CCOC(=O)c1c(Cl)cccc1OCc1nc(OC)cc(OC)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.