Using CC(C)(C)OC(=O)N1CCC2(CCNCCO2)CC1, Cc1nc(C(=O)O)cs1 to produce Cc1nc(C(=O)N2CCOC3(CCN(C(=O)OC(C)(C)C)CC3)CC2)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.