Using CN(Cc1cc(S(=O)(=O)c2ccc(F)cc2)n(-c2cccnc2F)n1)C(=O)OC(C)(C)C to produce CNCc1cc(S(=O)(=O)c2ccc(F)cc2)n(-c2cccnc2F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.