Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, O=c1[nH]cc(C2CCNCC2)c2ccccc12 to produce CN1CCC(c2c[nH]c(=O)c3ccccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.