Using COC(=O)c1c(NS(=O)(=O)c2ccccc2F)ccc2c1C(=O)C(C)(C)CC2 to produce COC(=O)c1c(NS(=O)(=O)c2ccccc2F)ccc2c1CC(C)(C)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.