Using CC(=O)OC(C)=O, Nc1nc2c(nc(Br)n2Cc2cccs2)c(=O)[nH]1 to produce Nc1nc2c([nH]c(=O)n2Cc2cccs2)c(=O)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.