Using On1c(-c2ccncc2)c(-c2ccc(F)cc2)c2ncccc21, ClCCN1CCOCC1 to produce Fc1ccc(-c2c(-c3ccncc3)n(OCCN3CCOCC3)c3cccnc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.