Using COc1cc2c(cc1OC)[CH2+](c1ccc([N+](=O)[O-])cc1)OC(C)=C2 to produce CC1=Cc2cc(O)c(O)cc2[CH2+](c2ccc([N+](=O)[O-])cc2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.