Using CCOC(=O)/C=C/c1ccc(NC(=O)C2(NC(=O)OC(C)(C)C)CCC2)cc1 to produce CCOC(=O)/C=C/c1ccc(NC(=O)C2(N)CCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.