Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, c1nc(-c2ccsc2)nc(N2CCNCC2)n1 to produce CN1CCN(c2ncnc(-c3ccsc3)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.