Using O=C(CCc1ccc2c(c1)OCO2)c1ccccc1, COC(=O)CC(C)=O to produce O=C1C=C(O)CC(CCc2ccc3c(c2)OCO3)(c2ccccc2)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.