Using OB(O)c1ccccc1, CCOC(=O)CCCCCCN(c1ccccn1)c1ccc(OS(=O)(=O)C(F)(F)F)cn1 to produce CCOC(=O)CCCCCCN(c1ccccn1)c1ccc(-c2ccccc2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.