Using CN1C(=O)CN=C(c2ccccc2F)c2cccn21, O=C1CCC(=O)N1Cl to produce CN1C(=O)CN=C(c2ccccc2F)c2ccc(Cl)n21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.