Using COC(=O)c1ccc(/C=C/c2cc(SC)ccc2OC(C)=O)nc1 to produce COC(=O)c1ccc(/C=C/c2cc(SC)ccc2O)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.