Using NC1(CCC(=O)O)CC=CO1, CC(C)(C)OC(=O)ON=C(C#N)c1ccccc1 to produce CC(C)(C)OC(=O)NC1(CCC(=O)O)CC=CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.