Using CN(Cc1cn(S(=O)(=O)c2ccsc2)c(-c2cccnc2F)c1F)C(=O)OC(C)(C)C to produce CNCc1cn(S(=O)(=O)c2ccsc2)c(-c2cccnc2F)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.