Using CC(=O)CCOCc1ccccc1, CS(=O)c1cc(C(O)CN)ccc1O to produce CC(CCOCc1ccccc1)NCC(O)c1ccc(O)c(S(C)=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.