Using C=C(CC(O)C(=O)OCC)c1cccc(Br)c1, NC(N)=S to produce CCOC(=O)C1CC(C)(c2cccc(Br)c2)N=C(N)S1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.