Using O=C([O-])[O-], COC(=O)C1(NS(=O)(=O)c2ccc(F)cc2)CC1 to produce COC(=O)C1(N(C)S(=O)(=O)c2ccc(F)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.