Using CC(=O)c1ccc(OCCNC(C)(C)C)cc1, O=Cc1cccc2[nH]ccc12 to produce CC(C)(C)NCCOc1ccc(C(=O)C=Cc2cccc3[nH]ccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.