Using CCCOc1cc(O)c(CC)cc1CCC(O)(CC1=CC(=O)OC(C)(C)O1)C1CCCC1 to produce CCCOc1cc(O)c(CC)cc1CCC1(C2CCCC2)CC(=O)CC(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.