Using CC=O, COc1nc2c(cc1N)C(C)CN(C(=O)C(F)(F)F)CC2 to produce CCNc1cc2c(nc1OC)CCN(C(=O)C(F)(F)F)CC2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.