Using O=C(O)c1c(F)ccc(N(S(=O)(=O)CC2CC2)S(=O)(=O)CC2CC2)c1F to produce O=C(O)c1c(F)ccc(NS(=O)(=O)CC2CC2)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.