Using C[C@@H]1COc2ccc3c(ccn3S(=O)(=O)c3ccccc3)c2CN1, CC(=O)O[BH-](OC(C)=O)OC(C)=O to produce C[C@@H]1COc2ccc3c(ccn3S(=O)(=O)c3ccccc3)c2CN1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.