Using CC(C)(C)OC(=O)N1CCCc2cc(-c3cncc(O)c3)cnc21, O=C1OCCN1CCO to produce CC(C)(C)OC(=O)N1CCCc2cc(-c3cncc(OCCN4CCOC4=O)c3)cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.