Using COc1nc(-c2c(C)ccc3[nH]nc(C)c23)nc2c1CN(c1cc(C(C)C)ccc1C)CC2 to produce Cc1ccc(C(C)C)cc1N1CCc2nc(-c3c(C)ccc4[nH]nc(C)c34)nc(O)c2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.