Using C1COCCN1, Fc1ccc(Cn2c(NC3CCN(CCCl)CC3)nc3ccccc32)cc1 to produce Fc1ccc(Cn2c(NC3CCN(CCN4CCOCC4)CC3)nc3ccccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.