Using CN(C)C=O, CCC(CC)c1cc(C)nn2c(-c3c[nH]c4c(C)cccc34)c(C)nc12 to produce CCC(CC)c1cc(C)nn2c(-c3cc4cccc(C)c4n3C)c(C)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.