Using CCOC(=O)CBr, O=C1Nc2ccc(Br)cc2C12CCSCC2 to produce CCOC(=O)CN1C(=O)C2(CCSCC2)c2cc(Br)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.