Using N=C(N)N, COC(=O)c1cccc(-c2cccc(NS(=O)(=O)C(F)(F)F)c2)c1 to produce NC(N)=NC(=O)c1cccc(-c2cccc(NS(=O)(=O)C(F)(F)F)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.