Using CC(C)(C)C1CCC(=O)CC1, Cc1cc(C)nc(NCC(O)CO)n1 to produce Cc1cc(C)nc(NCC2COC3(CCC(C(C)(C)C)CC3)O2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.