Using Cc1nc2c(N)cccn2c1C=O, Cc1cccc(NC(=O)OC(C)(C)C)c1CCl to produce Cc1cccc(NC(=O)OC(C)(C)C)c1CNc1cccn2c(C=O)c(C)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.