Using Cc1c2c(cc(NCCC(C)C)c1C(N)=O)Oc1ccccc1CC2 to produce CC(C)CCNCc1ccc2c(c1)CCc1cc(C(N)=O)ccc1O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.