Using Cc1ncc(CN)c2c1OC(C)(C)OC2, CC(C)(C)c1ccc(C(=O)O)cc1 to produce Cc1ncc(CNC(=O)c2ccc(C(C)(C)C)cc2)c2c1OC(C)(C)OC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.