Using COc1ccc(CN(C(=O)OC(C)(C)C)c2ncc(C(O)c3c[nH]c4ncc(C)cc34)cc2OC)cc1 to produce COc1cc(Cc2c[nH]c3ncc(C)cc23)cnc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.