Using CCOC(=O)C(=O)CBr, NC(=S)Nc1ccccc1/C=C/c1n[nH]c2ccccc12 to produce CCOC(=O)c1csc(Nc2ccccc2/C=C/c2n[nH]c3ccccc23)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.