Using CCCCI, C=Cc1c(N)nc(-c2ccc(Cl)c(OC)c2F)nc1C(=O)O to produce C=Cc1c(N)nc(-c2ccc(Cl)c(OC)c2F)nc1C(=O)OCCCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.