Using O=C(COc1ccccc1)NC1C(=O)N(C(C(=O)OCc2ccc([N+](=O)[O-])cc2)=C(O)CBr)C1S to produce O=C(COc1ccccc1)NC1C(=O)N2C(C(=O)OCc3ccc([N+](=O)[O-])cc3)C(=O)CS[C@H]12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.