Using Cc1cccc2c1CCN2CCCC1CCNCC1, CC(=O)O[BH-](OC(C)=O)OC(C)=O to produce Cc1cccc2c1CCN2CCCC1CCN(C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.