Using Nc1ncn(Cc2cnc(OC(F)F)c(-c3cccc(Cl)c3)c2)n1, CC(=O)O[BH-](OC(C)=O)OC(C)=O to produce CNc1ncn(Cc2cnc(OC(F)F)c(-c3cccc(Cl)c3)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.