Using Cn1c(=O)c2[nH]cnc2n(C)c1=O, CC(C)(C)C(=O)OCCl to produce Cn1c(=O)c2c(ncn2COC(=O)C(C)(C)C)n(C)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.