Using COc1ccc(COCCCNc2nccc(-c3c(-c4ccc(F)cc4)nn4cc(C(F)(F)F)ccc34)n2)cc1 to produce OCCCNc1nccc(-c2c(-c3ccc(F)cc3)nn3cc(C(F)(F)F)ccc23)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.