Using COC(=O)c1c(C2C=CCC2)cc2c(c1-c1ccc(F)cc1)C(=O)CC(C)(C)C2 to produce COC(=O)c1c(C2CCCC2)cc2c(c1-c1ccc(F)cc1)C(=O)CC(C)(C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.