Using O=C(F)C(F)(F)S(=O)(=O)F, C=C(C)C(=O)OCCN to produce C=C(C)C(=O)OCCNC(=O)C(F)(F)S(=O)(=O)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.