Using O=[Cr](=O)([O-])Cl, COC(=O)CCCCC[C@H](c1ccc(F)cc1)c1c(O)c(C)c(C)c2c1CCC2 to produce COC(=O)CCCCC[C@H](c1ccc(F)cc1)c1c(O)c(C)c(C)c2c1CCC2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.