Using COc1ccc(NC(=O)N(CC(OC)OC)c2ccc(Oc3ccccc3)cc2)cc1 to produce COc1ccc(-n2ccn(-c3ccc(Oc4ccccc4)cc3)c2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.