Using CS(=O)(=O)Cl, COc1ccc(-c2cc(C(F)(F)F)nn2-c2ccc(OCCN)cc2)cc1 to produce COc1ccc(-c2cc(C(F)(F)F)nn2-c2ccc(OCCNS(C)(=O)=O)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.