Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, CCCCc1nnc(OCC[C@H]2CCCCN2)cc1-c1ccc(OC2CCCCC2)cc1 to produce CCCCc1nnc(OCC[C@H]2CCCCN2C)cc1-c1ccc(OC2CCCCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.