Using COC(=O)C1=C(Sc2ccc(OC)c(OC)c2)C(=CCCc2ccccc2)CC1 to produce COc1ccc(SC2=C(C(=O)O)CCC2=CCCc2ccccc2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.