Using CCOC(=O)CBr, O=C1CCC(NC(=O)OCc2ccccc2)N1 to produce CCOC(=O)CN1C(=O)CCC1NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.