Using Cc1ccc2c(n1)N(C(=O)OC(C)(C)C)CCC2, CCOC(=O)OCC to produce CCOC(=O)Cc1ccc2c(n1)N(C(=O)OC(C)(C)C)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.