Using COc1ccc2c(c1)Sc1c(cc(OC)c(OC(C)=O)c1Br)N2C(C)=O to produce COc1ccc2c(c1)Sc1c(cc(OC)c(O)c1Br)N2C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.