Using COC(=O)C1CN(Cc2ccccc2)CC(C)C1=O, Nc1ccccc1 to produce COC(=O)C1CN(Cc2ccccc2)CC(C)C1Nc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.