Using COC(=O)Cc1cc(CC(=O)OC)cc(OCC=Cc2ccccc2)c1 to produce O=C(O)Cc1cc(CC(=O)O)cc(OCC=Cc2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.