Using Cc1ncoc1CN, CC(C)(C)OC(=O)C(C)(C)Oc1ccc(C=O)cc1 to produce Cc1ncoc1CNCc1ccc(OC(C)(C)C(=O)OC(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.