Using CI, O=C1CCC(NC(=O)OCc2ccccc2)(C(=O)O)O1 to produce COC(=O)C1(NC(=O)OCc2ccccc2)CCC(=O)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.