Using [BH3-]C#N, COC(=O)c1cc(Oc2ccc(S(C)(=O)=O)cc2)c(C=O)c(C(=O)OC)c1 to produce COC(=O)c1cc(Oc2ccc(S(C)(=O)=O)cc2)c2c(c1)C(=O)N(C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.