Using CCn1c(=O)c2cc(N)ccc2c2ccccc21, CN(C)CC(=O)O to produce CN(C)CC(=O)Nc1ccc2c(c1)c(=O)n(C)c1ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.