Using O=C(O)CCO, O=C(Cl)c1ccc2c(c1)Sc1ccccc1NC2=O to produce O=C(O)CCOC(=O)c1ccc2c(c1)Sc1ccccc1NC2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.