Using CCN(CC)Cc1nc2cc(OC)c(OC)cc2c(-c2ccc(OC)c(OC)c2)c1C(C)=O to produce CCN(CC)Cc1nc2cc(OC)c(OC)cc2c(-c2ccc(OC)c(OC)c2)c1C(C)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.