Using CCc1nsc(-c2ccc(C)cc2F)c1CO, CCOC(=O)CCc1cc(F)c(O)c(F)c1 to produce CCOC(=O)CCc1cc(F)c(OCc2c(CC)nsc2-c2ccc(C)cc2F)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.