Using C=Cc1c(-c2ccc(CN3CC(=O)N(C)C3=O)cc2)ccc2c1nnn2CC1CC1 to produce CCc1c(-c2ccc(CN3CC(=O)N(C)C3=O)cc2)ccc2c1nnn2CC1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.