Using COc1ccc2c(S(=O)(=O)N3CCOCC3)c(C(N)=O)[nH]c2c1 to produce NC(=O)c1[nH]c2cc(O)ccc2c1S(=O)(=O)N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.