Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, NC(=O)c1nc(-c2c(F)cccc2F)oc1-c1ccc(N2CCNCC2)cc1 to produce CN1CCN(c2ccc(-c3oc(-c4c(F)cccc4F)nc3C(N)=O)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.