Using COc1c(CO)cc(C2CC2)c(-c2ccc(F)cc2F)c1Cl to produce COc1c(C=O)cc(C2CC2)c(-c2ccc(F)cc2F)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.