Using COc1ccc(C(C)=O)c(OC)c1, O=Cc1ccc2c(c1)OCO2 to produce COc1ccc(C(=O)/C=C/c2ccc3c(c2)OCO3)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.