Using COc1cc([C@H]2CCN(C(=O)OC(C)(C)C)C[C@H]2C)c2occc2c1 to produce COc1cc([C@H]2CCNC[C@H]2C)c2occc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.