Using COc1c(N)cc(-c2c3ccccc3c(Br)c3sc(C)c(C)c23)cc1Br, COC(=O)CBr to produce COC(=O)CNc1cc(-c2c3ccccc3c(Br)c3sc(C)c(C)c23)cc(Br)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.