Using CCCN(CCC)c1nc2c(c(-c3ccc(O)cc3F)cn2C)c(=O)n1C, CI to produce CCCN(CCC)c1nc2c(c(-c3ccc(OC)cc3F)cn2C)c(=O)n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.