Using COC(=O)CBr, COc1ccc(CC2SC(=O)NC2=O)c2ccc(=O)n(C)c12 to produce COC(=O)CN1C(=O)SC(Cc2ccc(OC)c3c2ccc(=O)n3C)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.