Using C=CC(C)=O, COc1cc2c(cn1)C(Cc1ccccn1)C(=O)CCC2 to produce COc1cc2c(cn1)C1(Cc3ccccn3)CCC(=O)C=C1CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.