Using O=C(CCc1ccc(O)c(O)c1)NC(CC(=O)OCc1ccccc1)C(=O)OCc1ccccc1 to produce O=C(O)CC(NC(=O)CCc1ccc(O)c(O)c1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.