Using CCOC(=O)c1nc(-c2ccccc2)n2c1CN(C(=O)OC(C)(C)C)CCC2 to produce CC(C)(C)OC(=O)N1CCCn2c(-c3ccccc3)nc(C(=O)O)c2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.