Using CCO, COC(=O)COc1ccc(C(=O)Nc2ccc(F)cc2)cn1 to produce CCOC(=O)COc1ccc(C(=O)Nc2ccc(F)cc2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.