Using CCOC(=O)C1(C(=O)OCC)Oc2ccc(C[C@@H](C)NC(=O)OC(C)(C)C)cc2O1 to produce CCOC(=O)C1(C(=O)OCC)Oc2ccc(C[C@@H](C)N)cc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.