Using NC(=O)CCl, CC(C)(C)OC(=O)N1CCN(c2ccc(O)c(C=O)c2)CC1 to produce CC(C)(C)OC(=O)N1CCN(c2ccc3oc(C(N)=O)cc3c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.