Using O=c1ccccn1CCCl, COc1cc2c(Nc3ccc(Cl)cc3F)ncnc2cc1O to produce COc1cc2c(Nc3ccc(Cl)cc3F)ncnc2cc1OCCn1ccccc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.