Using COc1cc(OC)c(F)c(-c2ccc(C(=O)Nc3nc(C=O)c[nH]3)c3nccnc23)c1F, CNC to produce COc1cc(OC)c(F)c(-c2ccc(C(=O)Nc3nc(CN(C)C)c[nH]3)c3nccnc23)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.