Using CCC(=O)N1CCC(c2oc3c(C(O)C4CC4)c(OCc4ccccc4)ccc3c(=O)c2C)CC1 to produce CCC(=O)N1CCC(c2oc3c(CC4CC4)c(OCc4ccccc4)ccc3c(=O)c2C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.