Using Cc1cnc2c(c1)CCCC2, O=Cc1ccc(O)c(O)c1 to produce CC(=O)Oc1ccc(/C=C2\CCCc3cc(C)cnc32)cc1OC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.