Using CCCNC(=O)C(C)(C)COc1cccc(N)c1C#N, CCOC(=O)CC(C)=O to produce CCCNC(=O)C(C)(C)COc1cccc2nc(C)c(C(=O)OCC)c(N)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.