Using CC1(C)OCc2cc(C(O)CNCCCCCCOCCCCc3ccccc3)ccc2O1 to produce OCc1cc(C(O)CNCCCCCCOCCCCc2ccccc2)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.