Using CCOC(C)=O, COc1ccc2c(c1OC)CN(C)CCc1cc(OCc3ccccc3)ccc1CC2 to produce COc1ccc2c(c1OC)CN(C=O)CCc1cc(OCc3ccccc3)ccc1CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.