Using C=CCN1Cc2cccc3c2C(C1)c1ccc(OC)c(OC)c1O3 to produce CCCN1Cc2cccc3c2C(C1)c1ccc(OC)c(OC)c1O3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.