Using COC(=O)c1c(-c2ccc(Cl)cc2)ccnc1Sc1nc(OC)cc(OC)n1 to produce COc1cc(OC)nc(Sc2nccc(-c3ccc(Cl)cc3)c2C(=O)O)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.