Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, C1=C(c2cc(Nc3ccc4cccnc4c3)ncn2)CCNC1 to produce CN1CC=C(c2cc(Nc3ccc4cccnc4c3)ncn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.