Using NCCc1ccc(O)c2[nH]c(=O)sc12, O=C(O)CCS(=O)(=O)NCCOCCc1ccccc1 to produce O=C(CCS(=O)(=O)NCCOCCc1ccccc1)NCCc1ccc(O)c2[nH]c(=O)sc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.