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