Using C#CCCOS(=O)(=O)c1ccc(C)cc1, CCOC(=O)C(C)(C)Oc1ccc(O)cc1C to produce C#CCCOc1ccc(OC(C)(C)C(=O)OCC)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.