Using Cc1cc(Cc2cc(C)c(N)c(C)c2)cc(C)c1N, CCC(C)=O to produce CCC(C)Nc1c(C)cc(Cc2cc(C)c(NC(C)CC)c(C)c2)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.