Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, CCCCc1nnc(C(=O)NC2CCNCC2)cc1-c1ccc(OCc2ccccc2)cc1 to produce CCCCc1nnc(C(=O)NC2CCN(C)CC2)cc1-c1ccc(OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.