Using O=C(CCc1ccccc1)CCc1ccccc1, COC(=O)CC(C)=O to produce O=C1C=C(O)CC(CCc2ccccc2)(CCc2ccccc2)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.