Using CCOC(=O)N1CCC(O)(c2ccc(OCc3ccccc3)cc2OCc2ccccc2)CC1 to produce CCOC(=O)N1CCC(c2ccc(O)cc2O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.