Using O=C1NC(=O)C(=Cc2ccc(C(=O)O)cc2)S1, Oc1ccc(Cl)c(Cl)c1 to produce O=C1NC(=O)C(=Cc2ccc(C(=O)Oc3ccc(Cl)c(Cl)c3)cc2)S1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.