Using COC(=O)CCc1ccc(OCc2cccc(/C=C/c3ccccc3)c2)cc1 to produce COC(=O)CCc1ccc(OCc2cccc(CCc3ccccc3)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.