Using O=Cc1cccc2[nH]ccc12, CC(=O)c1ccccc1OCCCNC(C)(C)C to produce CC(C)(C)NCCCOc1ccccc1C(=O)C=Cc1cccc2[nH]ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.