Using CCOC(=O)c1c(C)nc2sc(Br)c(-c3cccc(C)c3)c2c1N to produce Cc1cccc(-c2c(Br)sc3nc(C)cc(N)c23)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.