Using C1COCCN1, CC(C)c1ccccc1Sc1ccc(-c2cc(Cl)ncn2)cc1C(F)(F)F to produce CC(C)c1ccccc1Sc1ccc(-c2cc(N3CCOCC3)ncn2)cc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.