Using COCC1CCN(c2nc(CCO)nc3scc(-c4ccc(F)cc4)c23)CC1, CCN(CC)CC to produce COCC1CCN(c2nc(CCN3CCCC3)nc3scc(-c4ccc(F)cc4)c23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.