Using CCC(C)=O, CCc1cc(Cc2cc(CC)c(N)c(CC)c2)cc(CC)c1N to produce CCc1cc(Cc2cc(CC)c(NC(C)CC)c(CC)c2)cc(CC)c1NC(C)CC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.