Using COc1ccc(COCCCCc2ccn(C3=CC(C)(C)Oc4ccc(C#N)cc43)c(=O)c2)cc1 to produce CC1(C)C=C(n2ccc(CCCCO)cc2=O)c2cc(C#N)ccc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.